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EKSU CHM 101 CBT PRACTICE

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Phil
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Hey EKSUites!

Are you preparing for your upcoming CBT exams and want a solid way to test your knowledge and build confidence? We’ve got something exciting for you—CBT Practice Questions with a built-in timer to simulate real exam pressure and boost your speed.

Take your time to read instructions before taking this test.

There are 50 questions which you are to answer in 20 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

Want to stay updated with exam info, materials, and more practice resources?

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Here’s the link: https://whatsapp.com/channel/0029VakX28dFi8xdORrhjI34

Keep pushing, stay focused, and good luck on your exams. You’ve got this!

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Created on By Phil

EKSU CHM 101

1 / 50

1. Which of the following can be classified as a weak base?

2 / 50

2. Molarity is defined as ______

 

3 / 50

3. A saturated solution is defined as

4 / 50

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

5 / 50

5. The Element that best describes Alpha decay is?

6 / 50

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

7 / 50

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

8 / 50

8. Chlorine belongs to the ____________ group on the periodic table

9 / 50

9. Water is best described as

10 / 50

10. What is the overall reaction order for the reaction that has the rate law: k[H2] [NO] 2

11 / 50

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

12 / 50

12. Isotopes have the same number of __________ but different numbers of ___________ in their nuclei

13 / 50

13. Which of the following is not an Arrhenius acid?

14 / 50

14. The binding energy is defined as

 

15 / 50

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

16 / 50

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

17 / 50

17. Rate of a reaction is measured in

18 / 50

18. The number of nucleons in an atom or ion is the same as the

19 / 50

19.

What is the expected freezing point of a 0.50m solution of Na2CO3 in water? Kf for water is 1.86°C/m

20 / 50

20. Catalyst speeds up the rate of

21 / 50

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

22 / 50

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

23 / 50

23. An element with atomic number twelve is likely to be

24 / 50

24. Elements in a periodic group have similar

25 / 50

25. What is the electronic configuration of Potassium (K)?

26 / 50

26. Gamma radiation can be described as

27 / 50

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

28 / 50

28. Order of a given reaction can only be determined

29 / 50

29. The solution that will conduct the highest amount of electricity is

30 / 50

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

31 / 50

31. The pH of pure water is

32 / 50

32.

What is the minimum energy barrier that must be overcome for a chemical reaction to occur

33 / 50

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

34 / 50

34. How many grams of KNO3 are needed to make 250ML of a solution that is 0.135M

 

35 / 50

35. The energy of motion is

36 / 50

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

37 / 50

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

38 / 50

38. The factor 0.001 corresponds to which prefix

39 / 50

39. Zinc and carbon rods are used as anode and cathode respectively in a

40 / 50

40. Water is an example of

41 / 50

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

42 / 50

42. Who is the Dean of Faculty of Science in Fuoye

43 / 50

43. Of the following, which element has the highest first ionization energy

44 / 50

44. How many grams of nickel metal are plated out when a constant current of 15.0A is passed through aqueous NiCl2 for 80.0 minutes

45 / 50

45. A zeroth order reaction is one whose

46 / 50

46. How many grams of chromium metal are plated out when a constant current of 8.00A is passed through an aqueous solution containing Cr3+ ions for 40 minutes

47 / 50

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

48 / 50

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

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

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

Your score is

The average score is 21%

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