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FUOYE CHM 101 CBT PRACTICE TEST EXAM MODE

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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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I remain Undergragra your favorite education blogger 😉

 

❤️ Undergragra

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Created on By Ace/Undergragra

CHM 101

1 / 50

1. 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?

2 / 50

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

3 / 50

3.

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

4 / 50

4. Which group reacts violently with water?

5 / 50

5. Molarity is defined as ______

 

6 / 50

6. Elements in a periodic group have similar

7 / 50

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

8 / 50

8. What is the mole fraction of ethanol in a solution made by dissolving 25g of ethanol, C2H5OH, in 53.6g of Water

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9 / 50

9. Which of the following compounds would be soluble in water?

10 / 50

10. A saturated solution is defined as

11 / 50

11. Which of the following supports Boyles law

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

16. A zeroth order reaction is one whose

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20.

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

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

24.

During an electrochemical reaction, electrons move through the external circuit toward the __________ and positive ion in the cell move toward the ____________.

25 / 50

25. 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

26 / 50

26. Radiation is detected by its ___________ properties

27 / 50

27.

The effect of ionizing radiation depend on

28 / 50

28. The binding energy is defined as

 

29 / 50

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

30 / 50

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

31 / 50

31. Water is an example of

32 / 50

32.

A catalyst increases the rate of reaction by providing a different reaction pathway that

33 / 50

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

34 / 50

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

 

35 / 50

35. What is the oxidation number of the chromium atom in K2Cr2O7

36 / 50

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

37 / 50

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

38 / 50

38.

An isotope has a half-life of 30 minutes. Given an original sample of 100 g of the isotope, how much will be left after an hour?

39 / 50

39. 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

40 / 50

40. The energy of motion is

41 / 50

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

42 / 50

42. The factor 0.001 corresponds to which prefix

43 / 50

43. What is the Mass number of Na?

44 / 50

44. The Element that best describes Alpha decay is?

45 / 50

45. Elements with ___________ atomic mass are best possible candidates for a fusion reaction

46 / 50

46. Gamma radiation can be described as

47 / 50

47.

Which of the following can be interpreted as a measure of randomness

48 / 50

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

Mg =24.31

N= 14.01

O= 16

49 / 50

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

50 / 50

50. 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?

Your score is

The average score is 50%

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Written by 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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