In today’s post we class 12th chemistry paper Very important objective questions have been selected for.
chemistry paper Must read these questions before After doing all these questions prepare for additional questions.
Best of luck to all the students for chemistry paper.
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| class 12 chemistry objective solutions |
MP Board Class 12 Chemistry Quarterly Paper 2022 | class 12th chemistry objective solutions
1. The law of solubility of gases in liquids was given by– Henry
2. atomic number is not a property– vapor pressure
3.The number of moles of solute in 1000 grams of solvent is called– Affordability
4. action at the cathode is– reduction
5. rusting of iron is– Corrosion
6. The reaction order of radioactive decay is– First
7. The half-life of a first order reaction depends on- Not on the concentration of both reactant and product
8. Rate for a reaction = k[A]M[B]n its rank will be- m + n
9. rate of a reaction with the progress of the reaction– decreases
10. The substance used in accumulator cell is– Ladd
1 1 is brass– solid solution
12. The unit of specific conductivity is- ohm-¹ cm-¹
13. The specific rate constant of a first order reaction depends on– on heat
14. The rate of a chemical reaction depends on– on active mass
15. show variable valency– Transition Elements
16. Transition elements are generally paramagnetic because– have unpaired electrons
17. The element of atomic number 29 will be the element of the following block of the periodic table– d block
18. one faraday value of electricity– 96500 coulombs
19. Which of the following is the factor on which the zero order reaction rate is independent?– concentration of reactants
20.When the amount of solute in the solution is less then the solution is called- dilute solution
21 The ratio of the number of moles of any component of the solution to the total number of moles of all the components of the solution is called- mole fraction
22. The reaction in which oxidation and reduction take place simultaneously is redox reaction
23. the process by which a substance gains electrons– oxidation
24. The rule by which the solubility of sparingly soluble salts can be determined– Kolrosh
25. What is the change in concentration of the reactant per unit time called? , reaction rate
26. What is the energy required for a reaction to take place called? – activation energy
27. Which order of reaction does not depend on concentration? – Zero
28. An ideal solution is one which under all conditions Raoult’s follow the rules
29. Semipermeable membrane only solvent molecules can cross.
30. Solutions having same osmotic pressure Samprasari are called solutions.
31. wet No more amount of solute can be dissolved in a solution at a given temperature.
32. Acetic acid a weak is electrolytic.
33. Standard Hydrogen Electrode Potential 0.00 volt has been considered.
34. On increasing the dilution Specific conductivity decreases.
35. The device in which chemical energy is converted into electrical energy is Cell is called
36. Resistance of a solution on increasing the temperature curves is
37. Photosynthesis a Zero is the reaction.
38. The time in which the concentration of a reactant becomes half of its initial concentration is half life is called
39. The number of atoms always Integer happens.
40. Total number of molecules participating in the reaction molecularity is called
41. Rapid Reaction 10-¹² Completes in less than a second.
42. f block elements transition element are called
43. Most Transition Elements Compliance Shows magnetic properties.
44. Zn only +2 Shows oxidation state.
45. Transition Elements and their Compounds Catalyst does the work of
46. Obedience to Raoult’s law – Ideal solution
47. Solution of solid in gas – smoke
48. Weak electrolyte – NH4OH
49. Strong electrolyte – HCl
50. Standard Hydrogen Electrode – Zero Voltage
51. Reaction of first order – Sec-¹
52. Actinide – radioactive
53. Coin Metals – Copper, Silver
54. Colorless – Zn²+
55. Metallic conductor – Al
56. Molecular Properties – Particle Number of Solute
57. Solution of gas in liquid – Soda water
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