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CHM 101 TYPE B CBT PRACTICE TEST

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Take your time to read instructions before taking this test.

 

 

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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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❤️ Undergragra

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CHM 101 TYPE B

1 / 40

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

2 / 40

2. Order of a given reaction can only be determined

3 / 40

3. 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?

4 / 40

4. Catalyst speeds up the rate of

5 / 40

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

6 / 40

6. Photolytic reactions take place in the presence of

7 / 40

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

8 / 40

8. Water is best described as

9 / 40

9. A saturated solution is defined as

10 / 40

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

11 / 40

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

12 / 40

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

13 / 40

13. Gamma radiation can be described as

14 / 40

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

15 / 40

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

16 / 40

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

17 / 40

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

18 / 40

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

Mg =24.31

N= 14.01

O= 16

19 / 40

19. The pH of pure water is

20 / 40

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

21 / 40

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

22 / 40

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

23 / 40

23. A zeroth order reaction is one whose

24 / 40

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

25 / 40

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

26 / 40

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

27 / 40

27. Rate of a reaction is measured in

28 / 40

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

29 / 40

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

30 / 40

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

31 / 40

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

32 / 40

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

33 / 40

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

34 / 40

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

35 / 40

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

36 / 40

36. 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?

37 / 40

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

38 / 40

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

39 / 40

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

40 / 40

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

Your score is

The average score is 45%

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Please do well to drop a comment if this has really helped you. Thanks❤️

Ace/Undergragra

Ace aka Undergragra is a 500 Level Computer Engineering Student in the Federal University Oye-Ekiti. He is a passionate teacher,writer,educational consultant and educational informant.
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