CBT TEST

CHM 101 TYPE B CBT PRACTICE TEST

Take your time to read instructions before taking this test.

 

 

Related Articles

 

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

2 / 40

2. The pH of pure water is

3 / 40

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

4 / 40

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

6 / 40

6. 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?

7 / 40

7. A saturated solution is defined as

8 / 40

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

9 / 40

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

10 / 40

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

11 / 40

11. Water is best described as

12 / 40

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

13 / 40

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

14 / 40

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

15 / 40

15. Order of a given reaction can only be determined

17 / 40

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

18 / 40

18. A zeroth order reaction is one whose

19 / 40

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

20 / 40

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

21 / 40

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

22 / 40

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

23 / 40

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

24 / 40

24. Photolytic reactions take place in the presence of

25 / 40

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

26 / 40

26. Rate of a reaction is measured in

27 / 40

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

28 / 40

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

Mg =24.31

N= 14.01

O= 16

29 / 40

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

31 / 40

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

32 / 40

32. 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?

33 / 40

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

34 / 40

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

35 / 40

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

36 / 40

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

37 / 40

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

38 / 40

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

39 / 40

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

40 / 40

40. Catalyst speeds up the rate of

Your score is

The average score is 50%

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Ace/Undergragra

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