Home CBT TEST CHM 101 TYPE B CBT PRACTICE TEST

CHM 101 TYPE B CBT PRACTICE TEST

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Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace CHM 101 exam

PS

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

  • Do not be in a hurry to answer the questions
  • Do not waste time on a question you don’t know
  • Move as fast as possible and starting with questions that don’t have calculation first to save time
  • Always crosscheck
  • Don’t be in a hurry to submit, you are not in a competition
  • Don’t be scared. Getting an A is easy
  • Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

I wish you success

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CHM 101 TYPE B

1 / 40

1. Gamma radiation can be described as

2 / 40

2. The rate of a reaction is directly proportional to the concentration of reactants. This is referred to as

3 / 40

3. According to history, the concept that all matter is composed of atom was first proposed by

4 / 40

4. The sum of all exponents of the reactants as contained in the experimentally determined rate law is known as

5 / 40

5. Which cell involves a non-spontaneous redox reaction?

6 / 40

6. A saturated solution is defined as

7 / 40

7. The pH of pure water is

8 / 40

8. An element that has the valence electronic configuration 3s2 3p3 belongs to which period and group?

9 / 40

9. What is the pH of a basic solution whose hydroxyl ion concentration is 0.00001M?

10 / 40

10. Does temperature changes affect the equilibrium constant of a reaction?

11 / 40

11. A substance that ionizes in solution to produce hydroxyl ion is

12 / 40

12. The powers to which the concentration of each reactant is raised to give a correct dependence of rate on concentration is termed

13 / 40

13. The half-life of a first order reaction depends on

14 / 40

14. What mass of HNO3(63g/mol) is contained in 300ml of 0.30 M HNO3 solution!

15 / 40

15. What symbol is used to express the facor,10^-6?

16 / 40

16. Catalyst ................... the rate of reaction by ................... the activation energy

17 / 40

17. A zeroth order reaction is one whose

18 / 40

18. The shifting of the equilibrium position to annul the effect of changes to re-establish equilibrium is termed

19 / 40

19. Ozone is unstable, decomposing to oxygen, as shown in the balanced equation 2O2 ➡ 3O2. In this reaction, how many grams of oxygen can be formed from the decomposition of 96g of ozone?

20 / 40

20. The half-life of a first order reaction depends on

21 / 40

21. To balance a redox reaction in basic medium, 𝐻2𝑂 is added to the side with

22 / 40

22. What is the pH of a neutral solution at 25 0C?

23 / 40

23. What is the oxidation number of the chromium atom in K2Cr2O4?

24 / 40

24. What is the identity of the element with 6 protons, 7 Neutrons and 6 electrons

25 / 40

25. The number of molecules/ions of the reactants present in the balanced stoichiometric equation is referred to as:

26 / 40

26. Calculate the percentage composition of Nitrogen in Magnesium Nitrate Mg(No3)2

Mg =24.31

N= 14.01

O= 16

27 / 40

27. Rate of a reaction is measured in

28 / 40

28. Water is best described as

29 / 40

29. Photolytic reactions take place in the presence of

30 / 40

30. An expression which shows how a reaction is related to concentration is termed

31 / 40

31. Using the method of initial rates for the reaction A➡B, if the initial concentration of A is doubled and the rate of reaction quadruples, what is the order of reaction with respect to A?

32 / 40

32. Order of a given reaction can only be determined

33 / 40

33. Catalyst speeds up the rate of

34 / 40

34. The change in the concentration of reactant or product per unit time is known as

35 / 40

35. Substances that dissolve in water to release hydroxonium ion is known as

36 / 40

36. A reaction in which the same substance on the reactant side is being oxidized and reduced simultaneously is known as

37 / 40

37. What is the minimum energy barrier that must be overcomed for a chemical reaction to occur

38 / 40

38. The unit of rate constant, K, in a first order reaction is

39 / 40

39. The unit of rate constant, K, in a first order reaction is

40 / 40

40. Which of the following is not used to describe the condition of a gas?

Your score is

The average score is 46%

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