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. |
Elements which lose electronsare |
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Answer» ONG>Answer: Explanation: |
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| 2. |
11.are the isotopes of hydrogen. |
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Answer» ONG>ANSWER: PLS complete the question.Then I will SURELY answer your question. so pls fast |
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| 3. |
Buttermilk is a heterogeneous mixture true or false |
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Answer» ong>ANSWER: Yes, BUTTERMILK is a HETEROGENEOUS MIXTURE.... |
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| 4. |
What is the atom no. of sulphate ?? |
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Answer» ong>Answer: It's atomic NUMBER is 8 (number of protons); so, there are 8 NEUTRONS (16–8). S-32 is the most common isotope of sulfur. It's atomic number is 16 (number of protons); so, there are 16 neutrons (32–16). The TOTAL neutrons for sulfate ion is 16+8+8+8+8 or 48 neutrons. |
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| 5. |
1. Electrons revolvearound the nucleus in |
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| 6. |
a student uses a seperating funnel to separate the mixture of X and Y . how will the layers of X and Y separate in the funnel |
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Answer» ong>Explanation: A separating funnel can be used to separate the components of the mixture of IMMISCIBLE LIQUIDS. Oil and water are two immiscible liquids and forms two different layers in separating funnel. Let it stand undisturbed for some time. So that separate layers of oil and water are FORMED. Open the stopcock of the separating funnel and POUR out the lower LAYER of water carefully. In this way, a mixture of oil and water can be separated by using separating funnel. So, the correct answer is separating. |
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| 7. |
State the law of multiple proportions |
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Answer» In chemistry, the law of MULTIPLE proportions states that if two elements FORM more than one compound between them, then the ratios of the MASSES of the second ELEMENT which combine with a fixed mass of the first element will always be ratios of small WHOLE numbers. |
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| 8. |
A_________ mixture has no distinguishable boundary between its components |
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Answer» ONG>ANSWER: A_homogeneous_ MIXTURE..................................... ✌ |
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| 9. |
Salt whose solubility increases as well as decreases with increase in temperature Potassium sulphatePotassium chloridePotassium nitrateCalcium sulphate |
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Answer» ong>Answer: HEYYYY,Here is your answer DEAR and THISS time I am sure for the answerAnswer is Potassium chlorideHope it helps UPlz thank me and MARK me as brainliest...... |
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| 11. |
The IUPAC name of the followingcompound is *CH3CH20CH2CHO |
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Answer» ong>Explanation: The IUPAC name of CH 2
=CH−CH(CH 3
) 2
is 3-METHYL- 1-butene as the parent CHAIN has four CARBON atoms with C 1
=C 2
(lowest numbering to the DOUBLE BOND) and one methyl substituent at C 3
. |
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| 12. |
A weak magnet Y is placed near a strong magnet X as shown in the figure. How will the magnets move? please answer ASAP |
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Answer» ong>ANSWER: By attraction Explanation: |
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| 13. |
Rubber is soluble in AcetoneCarbondisulphideEthanolOxalic acid |
Answer» ONG>ANSWER:I GUESS the answer is ACETONEbut I am not sure...... |
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| 14. |
Buttermilk is an example of heterogeneous mixture |
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Answer» ONG>ANSWER: yes butter MILK is heterogeneoua |
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| 15. |
Sodium hydroxide, Calcium hydroxide,Ferric hydroxide |
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Answer» ONG>Answer: BASE name I think it is EXAMPLE of bases |
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| 16. |
Established of health care |
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Answer» ong>ANSWER: History of health care may refer to History of medicine History of hospitals History of nursing History of surgery History of pathology History of pharmacy History of psychiatric institutions History of hygiene History of water supply and sanitation History of universal health care Timeline of nursing history History of mental disorders Timeline of medicine and medical technology History of psychology History of psychiatry History of psychosurgery History of nutrition History of veterinary medicine Timeline of history of environmentalism History of health care reform in the United States This disambiguation PAGE LISTS articles ASSOCIATED with the TITLE History of health care. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
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| 17. |
Multiple choice Questions:1.The scientific notation of 6.0034 is:(a) 6 (b)1 (c) (d)3 |
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Answer» ONG>ANSWER: the answer is the OPTION A |
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| 18. |
ਸਿੱਖ ਰੈਜ਼ੀਮੈਂਟ ਦੀ ਅਗਵਾਈ ਕੌਣ ਕਰ ਰਿਹਾ ਸੀ? * (ੳ) ਅੰਗਰੇਜ਼ ਅਫ਼ਸਰ(ਅ) ਈਸ਼ਰ ਸਿੰਘ(ੲ) ਇੱਕ ਨਾਇਕ(ਸ) ਇੱਕ ਲਾਂਸ ਨਾਇਕ । |
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Answer» ONG>ANSWER: A) PART is correct for your QUESTION . Explanation: HI FREINDS , I'M SAGAR JALVI . PLZ FOLLOW me guys . see my profile and then FOLLOW me . plz guys . I ALWAYS GAVE YOUR ANSWER IN A PROFESSIONALLY WAY . SO FOLLOW ME AND ALWAYS GET ANSWER FROM ME . ☺ |
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| 19. |
A flask containing some He gas at 1.5 atm and 300 K is connected to another flask, fourtimes larger in volume containing nitrogengas at same temperature and pressure bymeans of a narrow tube of negligible volume.The bigger flask was then kept in a thermostatbath maintained at 500 K, while other flaskwas maintained at constant 300 K. Determinethe final pressure. |
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Answer» ONG>ANSWER: ...... ............... |
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| 20. |
What is the herbred state of BeCl2 insolid and water state |
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Answer» ong>EXPLANATION: becl2 sp hybridised it form polymer in SOLID STATE and DIMER in VAPOUR state |
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| 21. |
A 50 mL graduated cylinder is scribed in one mL divisions. A reasonable value for the uncertainty in a volume measured carefully with this cylinder is: |
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Answer» ong>Answer:
If a PERSON NEEDED only a rough ESTIMATE of volume, the beaker volume is satisfactory (2 SIGNIFICANT figures), otherwise one should use the graduated cylinder (3 significant figures) or better yet, the buret (4 significant figures). |
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| 22. |
II. Multiple Choice Questions (Type-1 16. One mole of oxygen gas at STP is equal to(a) 6.022 x 1023 molecules of oxygen(6) 6.022 x 1023 atoms of oxygen(c) 16 g of oxygen(d) 32 g of oxygenodi |
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Answer» ong>Answer: 6.022*1023 molecule of O2(avogadro no.) Explanation: =32G of o2 . hence one molecule of oxygen gas is EQUAL to molecular weight of o2 and avogadro no. |
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| 23. |
Collision theory is generally satisfactory to |
Answer» ONG>ANSWER:
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| 24. |
Identify the reaction order from the following rate constant, k=2.3 x 10-5 L mol-1 S -1 |
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Answer» ong>Answer: Explanation:(Hint: dilution occurs)
Ksp(NA3PO4) = 1.3 x 10-20
a) AgCl 8.7 x 10 -7 M
b) Ag3PO4 2.3 x 10 -7 M
c) AgCl 1.4 x 10 -8 M
d) Ag3PO4 7.2 x 10 -8 M |
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| 25. |
. The atomic theory of matter was proposed by: * (a) Chadwick(b) Lavoisier(c) Proust(d) John Dalton |
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Answer» ong>ANSWER: d) John Dalton is the right answer PLEASE mark as BRAINLIEST & follow me to KNOW more! |
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| 26. |
How many significant figures should the answer have if we multiply: 5.60 x 3.2 ? |
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Answer» ong>Answer: . . . . . It is the correct answer. |
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| 27. |
2.What happens when:i. Magnesium react with dilute HCI? |
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Answer» ong>Explanation: The magnesium reacts with the acid, producing visible bubbles of hydrogen GAS. (Optional) If the flame of a butane fireplace lighter is held above the bursting bubbles, they will produce AUDIBLE pops as the hydrogen ignites. Magnesium ribbon is a flammable solid. HYDROCHLORIC acid is a CORROSIVE liquid.pls mark me as brainlist |
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| 29. |
The area of an object is calculated from experimental data to be 24.6623 cm2. The ± absolute error in the area was determined to be ± 0.60 cm2. The area should be reported, in cm2, as: |
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Answer» ong>Given : The area of an object is calculated from experimental DATA to be 24.6623 cm². The absolute ERROR in the area was determined to be ± 0.6 cm². The area should be reported, in cm² as
solution : FIRST understand what is the meaning of absolute error. absolute error is the AMOUNT of error in our measurements. in short, it is the difference between measured value and true value. i.e., absolute error = measured value - true value. here given measured value = 24.6623 cm² absolute error = 0.6 cm² so, true value = (24.6623 + 0.6) = 25.2623 cm² ≈ 25 cm² so the area should be reported as 25 cm². OPTION (1) is correct choice. |
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| 30. |
If the sum of two numbers is 42 and their product is 437, then find the absolute difference between the numbers. |
Answer» RONG>Answer:first step is to DIVIDE the NUMBER 437÷42then the answer is 10.40 |
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| 31. |
Define the followingterm Brownianmovement |
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Answer» /Chemistry Surface Chemistry Answer :★ Brownian movement : It involves motion of colloidal particles in zig-zag paths. It is DUE to MOVING molecules of the dispersion medium which are constantly COLLIDING with colloidal particles.
Cheers! |
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| 32. |
Model failed to explainthe stability of an atom |
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Answer» ONG>Answer: This is the RUTHERFORD model of atom which failed to explain the STABILITY of an atom ...... HOPE this will help........ ACTUALLY I am not sure what you ask the reason or the name of model |
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| 33. |
Why is vapour pressure of glucose solution is less than water? |
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Answer» ong>Explanation: a part of the water surface is occupied by non - VOLATILE glucose molecules this decreases EFFECTIVE surface area for the vaporization of water molecules consequently the vapour pressure of solution glucose in water is LOWER than that of water . |
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| 34. |
Value of lowest possible temperature of NH3 and N2. |
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Answer» ONG>Answer: 63•2k N2 198•4kNH3............... |
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| 35. |
The density of a metal is calculated to 8.9377 g/cm3, using weight and volume measurements. The ± absolute error is determined to be ± 0.006 g/cm3. The ± relative error for the above density determination is: |
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Answer» ONG>ANSWER: HII i am not saure you are INTELLIGENT |
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| 36. |
The last energy level is ____ |
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Answer» ong>Answer: What Are ENERGY Levels? Energy levels (also called electron shells) are FIXED distances from the nucleus of an ATOM where electrons may be found. Electrons are tiny, NEGATIVELY charged particles in an atom that move around the positive nucleus at the center. Energy levels are a little like the steps of a STAIRCASE. |
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| 37. |
The positively charged mass at the centre of the atom called? * |
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Answer» ONG>Answer: proton is the positively CHARGED MATTER Explanation: and also the NUCLEUS |
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| 38. |
Phenol is less acidic then |
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Answer» ong>ANSWER: hope it helps you have a good DAY:) Explanation: Phenol is less acidic than o - nitrophenol as electron WITHDRAWING (−NO2) GROUP increases the acidity of phenols while electron donating groups (−CH3,−OCH3) decrease the acidity of phenols. Phenols are more acidic than alcohols. |
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| 40. |
In prokarytes is absent this is fill in the blank |
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| 41. |
भगवान को जानने के लिएक्या आवश्यक है? |
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Answer» ONG>ANSWER: ईश्वर को जानने के लिए ईश्वर में लीन होना बहुत जरूरी है। जो इंसान लोभ, माया, लालच, अहं को छोड़कर ईश्वर ध्यान में लीन हो जाता है वहीं सही मायने में भगवान को जान सकता है। ईश्वर आराधना ही भगवान तक पहुँचने की सीढ़ी है, जो आपके लिए स्वर्ग के द्वार खोल देती है। |
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| 42. |
Q1. To analyse lead acetate salt for one acid radical and one basic radical. plz explain how to do the experiment with proper steps. |
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Answer» >
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| 43. |
Helium and Chlorine have atomic numbers 2 and 17 respectively.Their valencies will be respectively. |
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Answer» ong>Answer: zero and one Explanation: HELIUM has COMPLETELY filled S ORBITAL in 1S2 configuration and CHLORINE has ( Ne) 3s23p5 |
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| 44. |
Explain a monohybrid cross in pisum sativum ( tea) please answer |
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Answer» ONG>Answer: A MONOHYBRID cross is a genetic MIX between two INDIVIDUALS who have homozygous genotypes, or genotypes that have COMPLETELY dominant or completely recessive alleles, which result in opposite phenotypes for a certain genetic trait. Explanation: hope it helps you please mark me as braineilist. |
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| 45. |
Q1. To analyse lead acetate salt for one acid radical and one basic radical. experiment plz tell how to do |
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Answer» ong>Answer: pls MARK as BRAINLIEST answer |
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| 46. |
A milkman added a small pinch of baking soda to fresh milk which had pH close to 6. As a result , PH of the medium – |
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Answer» ong>ANSWER: Curd is acidic in nature, because an acidic substance has less value of pH. A milkman ADDS a very small AMOUNT of baking soda to fresh milk. Why does he shift the pH of the fresh milk from 6 to slightly alkaline? Answer: By making the milk more alkaline, it takes more time to TURN into curd. |
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| 47. |
Identify the graph |
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Answer» ong>Answer: line graph Explanation: ONLINE chart can compare MULTIPLE TRENDS by SEVERAL distributing line NOTE THIS follow me dear❤❤ |
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| 48. |
20 से 30 तक के तत्वों का इलेक्ट्रॉनिक विन्यास आफबाऊ का नियम से |
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Answer» ong>Answer: Jazz is the fastest DATA Network in pakistan serving over 63 Million Subscribers Explanation: |
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| 49. |
K State whether the following statements is True or False 1. The globe is a flat representation of the earth.2. 061 N latitude is also known as the Arctic circleTemperate zone is the hottest place of the earth4 USA has 5 time zones& The Greenwich Meridian is the 0° longitude |
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Answer» ONG>ANSWER: HEYY,
hope it hepls you. |
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| 50. |
Draw a figure showing variation of pH with the change in the concentration of H^ + (aq) and OH^ - (aq) ions. |
| Answer» ONG>Answer: | |