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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. |
Which of the following have no unit? |
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Answer» Explanation: And where are these following???? well, QUANTITIES having no unit are:- refractive index strain ETC.. |
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| 2. |
(1)The product formed when ethyl bromide reacts with alcoholic silver cyanide is.a) ethylisocyanide c) acetonitrile b) propionitrile d) ethylcyanide. |
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Answer» OPTION A) ethylisocyanide |
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| 3. |
Write IUPAC Name Of the Following? |
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Answer» Answer: Kalam's father was a simple self-disciplined man. He neither had FORMAL EDUCATION nor MUCH wealth and he avoided all inessential comforts and luxuries.15-Jul-2020 |
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| 4. |
Displacement reaction conspect mapping |
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Answer» Definition of DISPLACEMENT Reaction: A displacement reaction occurs when a more reactive metal 'pushes out' or displaces a less reactive metal from an aqueous solution of its compound. Kalam's father was a simple self-disciplined man. He neither had FORMAL education nor much wealth and he avoided all INESSENTIAL comforts and luxuries.15-Jul-2020 |
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| 5. |
Check the Attachement |
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Answer» huuu hgyftydygdhgdghcdfgddfy |
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| 6. |
Which of following is not same regarding lanthanoids and actinoids ? * 1 point a)both have coloured compounds ions due to f-f transition b)both series show gradual decrease in size c)both show equal tendency of complex formation d)both have stable oxidation state of +3 |
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| 7. |
(ii) Give an example of an ideal solution. |
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Answer» Answer: The ideal Solutions are those which obey Raoult's Law at all CONCENTRATIONS and Temperatures. Some examples of ideal solution liquid PAIRS are benzene and TOLUENE, n-heptane and n-hexane, ETHYL bromide and ethyl iodide, chlorobenzene and bromo benzene etc. |
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| 8. |
Name two process occurs most often during physical change |
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| 9. |
Hey apko yad hai kal ap.e bola tha that you are interested in to be my g f still interested or not |
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Answer» I m not INTERESTED in GF I m interested in gf =GOOD FRIEND |
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| 10. |
The energy released or absorbed is measured in terms of |
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Answer» sorry dear I don't know the answer to that question shall we be FRIENDS by the way my NAME is DRUPADH and PLEASE answer my dear FRIEND |
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| 11. |
Ello ello ello ello ello ello ello |
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Answer» Answer: hi Explanation: |
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| 12. |
Distribution of electrons in different shells of the atom of an element is called its |
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Answer» The arrangement of electrons in different shells and sub-shells is KNOWN as the ELECTRONIC configuration of a particular ELEMENT. The electronic configuration diagram represents an element in its ground state or stable state. There are a set of rules to REMEMBER while distribution off electrons in different orbits. Explanation: |
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| 13. |
The valency of aluminium in aluminium sulphite is______. |
Answer» Aluminium MAKE positively charged ions, which MAKES the sulphate to have NEGATIVELY charged ions. THEREFORE, the valency of sulphate will be 2- and aluminium is 3+ in aluminium sulphate.▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ |
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| 14. |
One half Distance between the atoms of noble gases called as |
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Answer» This is UR ANSWER |
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| 15. |
The maximum mas of any particles that do exists is about |
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Answer» A particle's mass DETERMINES the maximum distance at which it can interact with other particles and on any force it MEDIATES. By the same token, the reverse is ALSO TRUE: massless and near-massless particles can CARRY long-distance forces. |
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| 16. |
Define endothermic reaction and exothermic reaction ??????? |
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Answer» Exothermic REACTIONS TRANSFER energy to the surroundings and the temperature of the surroundings increases. ENDOTHERMIC reactions take in energy and the temperature of the surroundings DECREASES. |
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| 17. |
• An insect trapped in a circular groove of radius 12cm moves along the groove steadily and completeno Spam |
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Answer» mele ko fir bhul gya tu n sam |
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| 18. |
• Prove that the vector A = 2i -3j - k and B = - 6i + 9j + 3k are parallel.no Spam |
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Answer» |
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| 19. |
(v) The valency of (c) Classify the following into mixtures and compounds. Gun powder, water, salt solution, carbon dioxide, air. |
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Answer» Answer: Classify the following into elements, compounds and mixtures. (a) SODIUM (B) Soil (c) SUGAR SOLUTION (d) Silver (e) Calcium carbonate (F) Tin (g) Silicon ... |
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| 20. |
Expression for rydberg constant |
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Answer» Answer: The constant can be expressed as α2mec/2h, where α is the fine-structure constant, me is the MASS of the electron, c is the SPEED of light, and h is Planck's constant. The value of the Rydberg constant R∞ is 10,973,731.56816 PER metre. Explanation: please mark as brainlist |
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| 21. |
24/12 A 25/17 Show chem bonding indentify as metal and non metal |
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Answer» Chlorine has atomic number 17. Electronic Configuration- 1s 2 2s 2 2p 2 3p 5 . PERIOD Number-3 Group number- VII (A) or 17 Element Family- Halogens No. of valence electrons- 7 Valency- 1 Metal/ Non-metal- Non-metal. I think this must be helpful |
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| 22. |
Byy going oph.. tacher aa gya abb.. byy lubb you all |
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Answer» Answer: BYE to you don't ASK any IRRELAVANT QUESTIONS |
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| 24. |
Eloo kaise ho aaj phone collage ko sath lekar jana hai..hello chocolate and dark devil |
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Answer» i am SHOWING my pe.nis and sperm Passkey 12345 on zum only s e x y g i r l s |
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| 25. |
Prepare a power point presentation (5 slides maximum) or a chart on any one topic about chemistry in your life, which shall be presented by the student as seminar in the class after summer vacation. Topics: (Choose any One) Building material (cement, glass, plastics). Food and Medicines. Cosmetics and Textiles. Agriculture (fertilizers, pesticides). |
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Answer» can FOUND the above subject we have to GO BACK exercise in nature of this message and molecular and biochemistry department I will do it again to you send the following lines are you all for your NAME in my cute I will i |
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| 26. |
Explain about the ionic bond formation in sodium chloride. |
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Answer» When sodium (Na) and CHLORINE (Cl) are combined, the sodium atoms each lose an electron, FORMING cations (Na+), and the chlorine atoms each gain an electron to form ANIONS (Cl−). These ions are then attracted to each other in a 1:1 ratio to form sodium chloride (NaCl) |
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| 27. |
6.3% iodine solution means change it |
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Answer» Answer: i will give you the answer after make me as BRAINLIEAS PLZ F |
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| 28. |
6.3% iodine solution means |
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Answer» LOW PERCENTAGE of IODINE SOLUTION for exprimental only |
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| 29. |
What is organic chemistry? |
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Answer» Answer: which class strudy you Explanation: the STUDY of the STRUCTURE, PROPERTIES, composition, reactions, and PREPARATION of carbon-containing COMPOUNDS. |
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| 30. |
Water molecular formula |
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Answer» Answer: H2OThe CHEMICAL formula for WATER is H2O, which MEANS this MOLECULE has 3 atoms: 2 of hydrogen (H) and 1 oxygen (O) atom. |
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| 31. |
10ml of ethanol is dissolved in 50ml of water. Calculatethe volume percentage of ethanol in water |
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Answer» 100/ 6 or 16.66666666. PLEASE MARK this as the BRAINLIEST answer |
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| 32. |
Find out these electronic configuration H/H+ |
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Answer» Answer: The ATOMIC NUMBER of H is (Z=1) ;ELECTRONIC CONFIGURATION is 1s2 . H+ is formed by losing an electron and it contains only a proton, HENCE it is commonly called as a "proton, hydronium ion". The electronic configuration of H+ is 1s0 , in its ground state. |
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| 35. |
5. Suggest separation technique (s) needed to separate the. following. And verify your answer with suitable reason. 1) kerosene oil, water, salt. II) ammonium chloride and sodium chloride. |
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Answer» A ) SEPARATING Funnel B ) SUBLIMATION |
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| 37. |
Please tell me this answers this subject is social science |
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Answer» where is the QUESTION ?? |
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| 38. |
Is the group number of element whose atomic number is 4 [ group 1/group 2/group 3] |
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Answer» Beryllium (Group-2) |
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| 39. |
The most reactive halogen from group 17. [ chlorine, flourine, bromine] |
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Answer» chlorine PLZ REQUEST MARK me as BRAINLIEST plz plz plz plz |
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| 40. |
What is nitrating mixture ? |
Answer» ✅ ANSWER ✅A mixture of CONCENTRATED nitric acid or nitrogen oxides with inorganic COMPOUNDS (H2 SO4, BF3, and AlCl 3) or ORGANIC compounds (for EXAMPLE, acetic anhydride). |
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| 41. |
ᴡʜᴀᴛ ɪꜱ ᴍᴇᴀɴᴛ ʙy ɪᴏɴɪᴄ ʀᴀᴅɪᴜꜱ ᴀɴᴅ ᴄᴏᴠᴀʟᴇɴᴛ ʀᴀᴅɪᴜꜱ?ɢᴜᴍᴍɪᴇ |
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Answer» Explanation: have a NICE day |
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| 42. |
According to the Bohr model of atom, which electron transition would correspond to the shortest wavelength line in the visible emission spectra for hydrogen.a. n=2 to n=5b. n=3 to n=2c. n=6 to n=2d. n=6 to n=4 |
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Answer» Answer: |
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| 44. |
2) Which element of Group 13 forms monoacids? |
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Answer» the numbers of group 13 ELEMENT are :- 1).Boron 2).Aluminium 3).Gallium 4).Indium 5).Thallium Explanation: The general electronic CONFIGURATION for the group 13 element ns^2 np^1. |
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| 45. |
Classify the following substances. Sodium oxide, Potassium hydroxide, Calcium oxide, Copper oxide, Calcium hydroxide, Ammonium hydroxide, Ferric hydroxide, Zinc oxide |
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Answer» Explanation: |
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| 46. |
Combustion of fossil fuels generates a lot of air pollution. Can you suggest any two alternative sources of energy which do not cause any pollution? |
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Answer» Answer: Answer. Instead of fossil fuels LPG and CNG can be used as they are eco-friendly and causes no harm to the environment.As a result, they HELP in reducing the AIR pollution.१ hope this is help you☺ FRIEND |
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| 47. |
In which of the following pairs both the molecules will give pure rotational spectra-a) CH4 and CHCl3b) CH2Cl2 and CCl4c) CH2Cl2 and CHCl3d) CH4and CCl4 |
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Answer» Explanation: MARK me as BRAINLIEST |
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| 48. |
Wool fibres trapwhich is a bad conductor of |
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Answer» Explanation: Wool is a POOR conductor of heat and the AIR pockets in the FABRICS prevent the passage or movement of air from the SURROUNDINGS into our body. This less movement of air through the woollen fabric helps us to KEEP warm |
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| 49. |
Complete the following reactions!! |
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Answer» nsmsjdjskskejwudjsjsjsnsbd Explanation: sjjsjs |
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| 50. |
Briefly discuss the filters used in UV visible spectrometer |
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