This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Sabhi kriya a + H2O b the OC question mein koti kya hai are victor kya hai |
| Answer» TION:ryur ejeke dk KD LDL DL dnldld el | |
| 2. |
सम टाइम्स इट्स सो हैपन सेट वेयर इज अ लॉस ऑफ वेट ड्यूरिंग केमिकल रिएक्शन व्हिच ऑफ द फॉलोइंग ips2 पोजेस |
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Answer» New Delhi: The CHIPKO movement was a turning point in the FOREST conservation efforts in India. During the 1970s, when reckless cutting of trees started affecting people's livelihoods, the villagers from Uttarakhand's Chamoli started hugging trees to PREVENT them from cutting. This movement, where women participated in large numbers, came to be KNOWN as Chipko andolan, with the word "Chipko" signifying a hug or embrace. The champions of the Chipko movement were local women - Gaura DEVI, Sudesha Devi and Bachni Devi. |
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| 3. |
1. (a) Identify the product(s) of following reactions and provide reason for their formation. |
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Answer» here is your answerExplanation:In PRACTICAL SYNTHESES of cyanohydrins, it is convenient to add a strong acid to a mixture of SODIUM cyanide and the carbonyl compound, so that hydrogen cyanide is generated in situ. The amount of acid added should be insufficient to consume all the cyanide ion, therefore sufficiently ALKALINE conditions are maintained for RAPID addition. |
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| 4. |
An element has atom with 13 electrons (a)draw a diagram to show the electronic configuration.(b) write the electronic configuration in its=2 ion.(c)Name the element. |
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| 5. |
1 mole of NAOH combines with 1 mole of hydrochloric acid in aqueous solution and 13.7 kilocalorie of heat is evolved. Write the thermochemical equation for the reaction |
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Answer» NaoH+Hcl=NACL+H2o,∆H=+13.7kilocalorieExplanation:When sodium HYDROXIDE(1mol)is treated with Hcl(1mol) then Nacl and water is formed with evolution of 13.7 kilocalorie of heat ,it is also called exothermic CHEMICAL REACTION |
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| 6. |
What is homophone??? |
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Answer» each of two or more words having the same pronunciation but DIFFERENT MEANINGS, origins, or spelling, for example new and knew.Explanation:each of a set of symbols DENOTING the same sound or group of sounds.Hope it will help you ⚘⚘⚘⚘⚘ |
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| 7. |
What do you mean by strong base and acid |
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Answer» tion:Key Takeaways. Strong acids and BASES are 100% ionized in aqueous solution. Weak acids and bases are less than 100% ionized in aqueous solution. SALTS of weak acids or bases can AFFECT the ACIDITY or basicity of their aqueous solutions. |
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| 8. |
According to Charle’s law at constant pressure, what happens to volume if temperature is doubled? i. V also doubles ii. V becomes half iii. No change iv. V becomes four times |
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Answer» Option B is the CORRECT ANSWEREXPLANATION:Please MARK me as the BRAINLIEST answer |
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| 9. |
Iupac name of(cr(en)3)(FeCl4) |
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Answer» (en = ethane-1,2-diamine).HOPE U LIKE my ANSWERMARK me as brainliest. |
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| 10. |
Bronze is which type of solution a)solid b)liquid c)gas d)all of these |
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Answer» a) SOLID solutionExplanation:PLEASE MARK me as the BRAINLIEST |
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| 11. |
Compound of s and p block elements are almost white. What could be the absorbed radiation ? |
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Answer» Explanation:the white or colourless BEHAVIOUR arises due to the completely filled orbitals present in S nd P block elements whereas in TRANSITION metals the partially filled orbitals UNDERGO d-d transition by absorbing the light from visible region and radiate complementary colour . |
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| 12. |
Balance the redox process using the oxidation method. |
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Answer» Assign oxidation NUMBERS to each of the atoms in the equation and WRITE the numbers above the atom.Step 1: Assign oxidation numbers to each of the atoms in the equation and write the numbers above the atom.Step 2: Identify the atoms that are oxidized and those that are reduced. ...Step 1: Assign oxidation numbers to each of the atoms in the equation and write the numbers above the atom.Step 2: Identify the atoms that are oxidized and those that are reduced. ...Step 3: Use a LINE to CONNECT the atoms that are undergoing a change in oxidation number |
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| 13. |
WHY-OXYGEN-IS-CALLED-A-DIATOMIC-ELEMENT |
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Answer» is a DIATOMIC element because it CONSISTS of TWO atoms of same element O and O that makes O2.Hope it helps you PLZ mark as brainiliest. |
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| 14. |
How will you prepare ethene from acetylene |
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Answer» 1.Ethanol is first converted to ethene by HEATING with concentrated H2SO4 acid.2.Then ethene is treated with bromine LIQUID and CCl4 to give dibromoethane.3.Then dibromoethane is heated with alcoholic KOH to PRODUCE ACETYLENE. |
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| 15. |
Name two protons disease and name vector of sleeping sickess and kalaazarn |
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Answer» hysics+biology? |
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| 17. |
Name one substance that is found in all the three states i.e. solid, liquid and gas. |
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Answer» The three STATES of matter are the three distinct PHYSICAL forms that matter can TAKE in most environments: solid, liquid, and GAS. In extreme environments, other states MAY be present, such as plasma, Bose-Einstein condensates, and neutron stars. |
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| 18. |
Why does soup spread when it is poured in a flat dish? |
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Answer» The soup SPREAD when it's POURED in the DISH because the particles in a liquid(Soup) is LOOSE . So they take up the space.Explanation:Hope this was helpful!!! |
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| 19. |
4. Which disease is not caused by polluted water?(a) diarrhoea(b) jaundice(c) malaria(d) typhoid5. A substance which dissolves very little or donot dissolve in water is called alan(a) soluble substance(b) insoluble substance(c) non-reactive substance(d) anti-solute |
| Answer» TION:ihdkdhidhhiddkdhihfkgxkdhkdggkgkkfhkhfofhohfhfofo | |
| 20. |
म pH का महत्त्व बताए।10. अम्लों के पाँच गुणों का उल्लेख करें। |
| Answer» TION:शुद्ध जल को तटस्थ (न्यूट्रल) माना जाता है। 25 °से. (77 °फ़ै) पर शुद्ध जल का PH, 7.0 के आस-पास होता है। 7 से कम pH वाले सॉलूशन को अम्लीय कहा जाता है और 7 से अधिक pH वाले सॉल्यूशन को क्षारकीय या क्षारीय कहा जाता है। चिकित्सा शास्त्र, जीव विज्ञान, रसायन शास्त्र, खाद्य विज्ञान, पर्यावरण विज्ञान, समुद्र विज्ञान और कई अन्य अनुप्रयोगों में pH के मापन का बहुत महत्व है। | |
| 21. |
Why do ionic compounds have high melting point?give two points |
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Answer» tion:Ionic COMPOUNDS are held together by electrostatic forces between the oppositely charged IONS . ... As the ionic lattice CONTAINS such a LARGE number of ions, a lot of energy is needed to overcome this ionic bonding so ionic compounds have high MELTING and boiling pointsHope it helps |
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| 22. |
What happens if an acid dissolve in watre explain with an example |
| Answer» TION:jkkkk kkkkkkkkkkkkkkkkkkk | |
| 23. |
Sodium ethxide on reaction with bromoetane gives |
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Answer» When sodium METHOXIDE REACTS with BROMOETHANE, METHOXY ethane (ether) is formed |
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| 24. |
(a) solvent (c) solution(b) solute(d) saturated solution2. A salt solution which cannot dissolve more(b) saturated solution(c) unsaturated solution(d) supersaturated solution3. The polluted water can cause the disease(a) solutionof:(a) malaria(c) cancer(b) diarrhoea(d) heart diseaseTick (v) the most appropriate answer.1. The product obtained when a solidsubstance dissolves in a liquid is calledof a solute at a given temperature is called: |
| Answer» 1. SOLUTION2. SATURATED solutiondiarrhoea | |
| 25. |
Reaction of 1-methylcyclohexene with conc.h2so4? |
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Answer» tion reaction takes place whenconc. H2SO4 is REACTED with 1-Methylcyclohexene. H and HSO4 is added to 1-Methylcyclohexene to form an addition product. The DOUBLE bond is replaced by SINGLE bond and the compound becomes saturated.The product formed is 1-Methylcyclohexyl hydrogen sulphate.Please MARK as brainliest. |
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| 26. |
What is another name for London forces? |
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Answer» ⠀⠀Dipole forcesthank U |
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| 27. |
Find out the moment of inertia of hf molecule whose rotational |
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Answer» सभय दुकानदार व गाहक का वारतालाप लिखिए(संवाद)सभय दुकानदार व गाहक का वारतालाप लिखिए(संवाद)Explanation: |
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| 28. |
Iv) L3 + m3 + n3-31mnwhen L2 + m2 + n2 = 88 and L+m+mn = 10 |
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Answer» nnbExplanation:inqwertyuuioljh ljjhgf |
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| 29. |
Carbohydrate when hydrolysed yields three to ten monosaccharides is called |
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Answer» oligosaccharideI HOPE it's HELPFUL ..---------THANK you---------.... |
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| 30. |
Q1) when a metal reacts with air the colour changes . which colour deposists on thesurface of the following metals oxide ?a. iron b. copperc. lead |
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Answer» Explanation:a. Brown COLOUR DEPOSITS on IRON when it is oxidised.b. Green colour deposits on COPPER when it is oxidised. |
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| 31. |
Excemple for Secturated Hydwearbon. |
| Answer» SATURATED hydrocarbons are alkanes..therefore methane,ethane etc..Explanation:saturated hydrocarbons doesnt contain any DOUBLE or TRIPLE bond | |
| 32. |
Transition elements are metals having |
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Answer» Transition elements (ALSO known as transition metals) are elements that have partially filled d orbitals. IUPAC defines transition elements as an ELEMENT having a d subshell that is partially filled with ELECTRONS, or an element that has the ability to form STABLE cations with an incompletely filled d orbital. |
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| 33. |
Choose the correct word or letter from the brackets to complete the sentence and write only that down as the answer.i.Ammonium sulphate is an example of a/an[hydrous/anhydrous/crystalline] salt.(ii) The relative atomic mass of an element expressed in grams is known as -[a.m.u./gram atom/gram molecular mass](iii)The element which shows variable valency is [nickel/chromium/tin](iv)The reaction of iron with steam, liberating hydrogen gas is a[displacement / reversible / catalytic) reaction.(v) The soluble salt formed in the precipitation reaction between two salt solutions zinc nitrate & sodium carbonate is(zinc carbonate / sodium nitrate / zinc bicarbonate). |
| Answer» 1. Crystalline SALT 2. a. m. U. 3. tin4.catalytic5. SODIUM nitrate | |
| 34. |
Why primary standard substances are used to make standard solutions ¿ |
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Answer» Primary standards are TYPICALLY used in titration to determine an unknown CONCENTRATION and in other analytical chemistry TECHNIQUES. ... The reaction confirms that the solution is at a specific concentration. Primary standards are often used to make standard solutions, solutions with a precisely known concentration. |
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| 35. |
Iske wajah se mujhe leave krna padega bye all ಠ﹏ಠ |
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Answer» are you ????????? |
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| 36. |
The compound having least covalent nature is1) AICl*32) MgCl*23) Nacl4) KCl |
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| 37. |
Write and explain the wedge and dash structure of methane. |
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Answer» The angle between each hydrogen bond in a methane is at what's CALLED a TETRAHEDRAL angle, which is 109.5°. That's what the dash-wedge MODEL is a little better at showing. ... The solid wedge represents a bond coming out of the SCREEN (or paper) towards us, and the dashed-wedge is that of a bond going away from us.Explanation:PLEASE mark me as brainliest |
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| 38. |
(2) तुलना करा.पिंजऱ्यातील पोपट,पिंजऱ्याबाहेरील पोपट |
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| 39. |
भारत की हरियाली निभन्ध |
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Answer» प्राचीन काल से ही वन मनुष्य के जीवन में विशेष महत्व रखते थे । यह मानव जीवन के लिए प्रकृति के अनुपम उपहार हैं । हमारे वन पेड़-पौधे ही नहीं अपितु अनेकों उपयोगी जीव-जंतुओं व औषधियों का भंडार हैं ।वन पृथ्वी पर जीवन के लिए अनिवार्य तत्व हैं यह प्रकृति के संतुलन को बनाए रखने में पूर्णतया सहायक होते हैं । प्राचीन काल से ही हमारे पूर्वजों, ऋषियों-मुनियों व संतों के लिए वन तपस्या का प्रमुख स्थान रहा है । इन्हीं वनों में महान ऋषियों के आश्रम रहे हैं जहाँ पर संत एवं उनके शिष्य रहते थे । समाज में इनका विशेष स्थान था जिन्हें लोग पूर्ण श्रद्धा एवं विश्वास से देखते थे ।पूर्व चिकित्सकों एवं वैद्यों के लिए वन महान औषधियों का स्त्रोत थे। रामायण की कथा में मेघनाथ के अमोघ अस्त्र के प्रहार से लक्ष्मण का जीवन बचाने के लिए संजीवनी वनों में ही उपलब्ध थी । वृंदावन का भगवान श्रीकृष्ण एवं राधिका के पवित्र प्रेम से सीधा संबंध रहा है । उनका यह संबंध देवी-देवताओं के प्रकृति प्रेम को दर्शाता है ।वनों में अनेक प्रकार के पेड़-पौधों का भंडार होता है जो विभिन्न प्रकार से मानव के लिए उपयोगी है । पीपल के वृक्ष का हमारे लिए आध्यात्मिक महत्व तो है ही साथ ही साथ यह अत्यंत गुणकारी भी है क्योंकि यह प्रचुर मात्रा में ऑक्सीजन देकर मानव मात्र का कल्याण करता है । वैसे तो सभी वृक्ष दिन के समय ऑक्सीजन छोड़ते हैं जो जीवन के लिए आवश्यक तत्व है परंतु पीपल के वृक्ष में ऑक्सीजन प्रदान करने का अनुपात अन्य वृक्षों की तुलना में अधिक होता है । इसके अतिरिक्त नीम, बबूल, तुलसी, आँवला व शमी आदि वृक्षों का औषधि के रूप में विशेष महत्व है ।वन मनुष्य के लिए ही नहीं अपितु समस्त जीव-जंतुओं के लिए आवश्यक हैं । इनसे प्रकृति का संतुलन बनाए रखने में मदद मिलती है । आज वनों के अधिकाधिक कटाव से अनेक महत्वपूर्ण जंतु लुप्त हो गए हैं तथा अनेक जंतुओं के लुप्त होने का खतरा उत्पन्न हो गया है । वनराज सिंह की संख्या में निरंतर कमी आ रही है । जंगली हाथियों की संख्या भी लगातार घट रही है । यही हाल अन्य जंतुओं का भी है ।वन ऋतुचक्र एवं प्रकृति में संतुलन बनाए रखने में सक्षम होते हैं । वन अधिक वर्षा के समय मिट्टी के कटाव को रोकते हैं तथा उसकी उपजाऊ शक्ति को बनाए रखने में सहयोग करते हैं । पेड़-पौधे अपनी जड़ों के द्वारा पृथ्वी के जल को अवशोषित करते हैं जो पुन: वाष्पित होकर वायुमंडल में बादल का रूप ले लेते हैं, जिसके परिणामस्वरूप वर्षा होती है और यह चक्र निरंतर बना रहता है ।I HOPE it is HELPFUL for you.. |
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| 40. |
Cloro benzene se finol kese bnate he |
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Answer» chlorobenzene + WATER -> phenol+ HCL C6H5-Cl +H2O --> C6H5OH +HCl |
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| 41. |
The number of atoms per unit cell of bcc structure |
| Answer» 8 or 10Explanation:2 in the MIDDLE then 8 in the CORNERS | |
| 42. |
Write True' or 'False" for the following True/False 1. Common salt is the solute in the common salt solution.2. Pit latrines help in controlling water pollution caused by human beings by_______defecating in the open.______3. One gram of water at 100°C, needs 80 calories of heat, so as to change into_____4. A saturated solution of sugar at room temperature can dissolve more sugar at____a higher temperature.s. Use of natural pesticides reduces water pollution.______ |
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Answer» tion:1 TRUE2 FALSE3 4 true5 truesorry i am confused in 3rd one OTHERS know.If it is helpful pls mark me as brainlest. pls phollow me if you can i ALSO RETURN to you.maybe 3rd one false. |
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| 43. |
F: Fese) (i)State the law which relates between the pressure of a gas and thevolume occupied by it.ii.At a pressure of 152 cm. Hg., a gas 'X' has a volume of 50 cc. At what pressure will the volume be 30 cc., temperature remaining constant throughout.iii.The volume of a gas 'A' will double, if the temperature of the gas 'A'increased from 100°C to 200°C. State whether the statement is true or false. |
| Answer» SISTER PLEASE FOLLOW GREEN BOARD | |
| 44. |
How does media protect democratic interests of people? List 4objectives |
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Answer» Our words have power. They impact others, but they also impact US.” – Michael HyattWords – they carry immense power to make or break a person. Especially, the spoken ones. With simple encouraging words, you can heal and rebuild the LIVES of others. HEARING sincere words of encouragement has a TREMENDOUS impact on a person – making them happier, stronger, and ready for any challenge the world has in STORE for them. |
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| 45. |
The word ambulance is written reverse because |
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Answer» To make AMBULANCE easier read for vehicles in front of the ambulance. ... The most common modern usage of mirror writing can be FOUND on the front of ambulances, where the WORD "AMBULANCE" is often written in very large MIRRORED text, so that drivers see the word the right way AROUND in their rear-view mirror.Explanation:please mark me as brainliest |
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| 46. |
The atomic number of X is 17, predict its: a. Valence electron and Valency b. Type of ion formed and Formula of its halide c. Its size with in comparison with neighbouring elements d. Reactivity with respect to the other of same group e. The electronic configuration of element on its left and right |
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Answer» nic configuration of X- 2,8,7a. VALENCE electrons: 7 Valency: 1b. Type of ion formed: Anion(-ve)Formula of its halide: XFc. In the period of the modern periodic table, we observe that Argon is next to clorine. The size of Argon is larger than that of clorine. The major reason BEHIND this is the phenomenon of Interelectronic repulsion. The size of Argon atoms is more as it is STABLE than Clorine. This is the size of clorine with respect to other neighbouring elements.Explanation: |
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| 47. |
What do you mean by atomic number and atomic mass? Explain with example. |
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Answer» atonic number only example carbon atomic number (Z) is 6 because it has 6 protons the number of neutroes can vary to produce isotopes ,which are ATOMS of the same element that have different number of neutroes .atomic MASS I don't no sorry Explanation: hope this is HELP full |
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| 49. |
ʏ❅օ❅ʊ❅ʀ❅ զ❅ʊ❅ɛ❅ֆ❅ȶ❅ɨ❅օ❅ռ❅ WHAT IS A CELL?KAL KARAY SO AAJ KARAY AAJ KARAY SO ABSABKI GF BAN GYI MERI BANEGI KAB |
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Answer» Smallest FUNDAMENTAL UNIT of life which is invisible by naked eyes but can be SEEN under a microscope is called a cell. Allorganisms are MADE up of these tiny particles. On the basics of cells we can divide organisms into two CATEGORIES that are :-1) Unicellular2) Multicellular |
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| 50. |
(d) Match the names of compounds in ‘Column A' with their correct formulasfrom 'Column B'.Column AColumn B(i)A:G:Iron (III) chlorideFeCl2FeSO4B:Iron [III] oxideH:Fe₂O4Fe₂3C:I:Fe₂O3Feci(iii) Iron [II) chloride(iv) Iron [III) sulphateD: FeCl3J: Fes2E:Iron (III) sulphideFeoK:(v)Fe2(SO4)3F: Fes |
| Answer» OMG Do LONG it will TAKE MUCH TIME | |