CHM 101 CBT Practice Questions for FUOYE Students(Now Active)

Table of Contents

📘 CHM 101 PRACTICE TEST – IMPORTANT INSTRUCTIONS

Take your time to read the instructions carefully before starting this test.

📝 Test Details

Total Questions: 40

Time Allowed: 20 minutes

This gives you very few seconds per question, so manage your time wisely.

✅ If you can score at least 60%, you can be rest assured that you’ll ace CHM 101 in the real exam.

PS:

In the actual GST exam, you’ll likely be asked between 40 – 60 questions.

⚠️ EXAM STRATEGY & TIPS

Do not rush into answering questions.
Don’t waste too much time on questions you don’t know — skip and move on.
Start with questions that don’t involve calculations to save time.
Always crosscheck your answers.
Don’t be in a hurry to submit — you’re not in a competition.
Don’t be scared — getting an A is very achievable.
Don’t be overconfident either — calm your blood, no be only you sabi book 😌.
If you have any complaints, corrections, or feedback, please use the comment box.

📊 GRADING SCALE

70 – 100 → A

60 – 69 → B

50 – 59 → C

45 – 49 → D

40 – 44 → E

0 – 39 → F

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985

CHM 101

1 / 40

1. The correct formation equation of magnesium oxide is _____.

A. Mg + 2e⁻ → Mg²⁻

B. Mg + O → MgO

C. Mg − 2e⁻ → Mg²⁺ and O + 2e⁻ → O²⁻

D. Mg²⁺ + O²⁻ → Mg

2 / 40

2. The principle stating that electrons occupy different orbitals with parallel spins is _____.

A. Gay-Lussac law

B. Aufbau principle

C. Hund’s rule

D. Pauli exclusion principle

3 / 40

3. Increase in principal quantum number results in _____ atomic radius.

A. Increasing

B. Constant

C. Zero

D. Decreasing

4 / 40

4. Arrangement of elements spirally around a cylinder was proposed by _____.

A. J.J. Thomson

B. Robert Millikan

C. De Chancourtois

D. Rydberg

5 / 40

5. Reaction of alkali metal hydrides with water liberates _____.

A. Nitrogen

B. Carbon dioxide

C. Hydrogen

D. Oxygen

6 / 40

6. Rejection of Newlands’ law occurred due to its failure beyond _____.

A. Sodium

B. Calcium

C. Potassium

D. Magnesium

7 / 40

7. The law of octaves was used to arrange atoms by _____.

A. John Newlands

B. Dobereiner

C. Lavoisier

D. Mendeleev

8 / 40

8. Hydrogen bonding does not cause _____

A. Strong intermolecular force

B. Low boiling point

C. High boiling point

D. Association

9 / 40

9. Nitrogen is not used as a raw material for production of _____.

A. Hydrogen

B. Nitric acid

C. Ammonia

D. Oxygen

10 / 40

10. The NH₃ molecule contains _____ lone pair(s) on nitrogen

A. One

B. Two

C. Four

D. Three

11 / 40

11. Halogens possess _____ electron affinity

A. Positive

B. Exothermic

C. EndothermicExothermic

D. Zero

12 / 40

12. Electron affinity is affected by all except _____.

A. Electronic configuration

B. Effective nuclear charge

C. Mass number

D. Atomic radius

13 / 40

13. Chemical properties served as the basis for element classification by _____.

A. Dalton

B. Bohr

C. Rutherford

D. Mendeleev

14 / 40

14. Brick-red flame coloration is given by compounds of _____.

A. Magnesium

B. Potassium

C. Sodium

D. Calcium

15 / 40

15. The second ionization energy of alkaline earth metals is lower due to _____.

A. Closed shell stability

B. High atomic mass

C. Weak bonding

D. Larger size

16 / 40

16. Formation of ionic compounds does not occur with _____.

A. Magnesium

B. Calcium

C. Strontium

D. Beryllium

17 / 40

17. Radioactive isotope of hydrogen is _____

A. Deuterium

B. Neutrium

C. Protium

D. Tritium

18 / 40

18. Spontaneous reaction with water does not occur with _____.

A. Potassium

B. Lithium

C. Sodium

D. Cesium

19 / 40

19. Higher hydrogen energies of alkaline earth metal ions result from _____.

A. Lower charge

B. Increased cationic charge

C. Larger size

D. Weak bonding

20 / 40

20. Calcium oxide is not present in compounds of _____.

A. Calcium

B. Barium

C. Magnesium

D. Strontium

21 / 40

21. The second most abundant metal in seawater is _____

A. Magnesium

B. Calcium

C. Potassium

D. Sodium

22 / 40

22. Aircraft construction is not a use of _____

A. Magnesium

B. Titanium

C. Aluminium

D. Beryllium

23 / 40

23. Loss of silvery lustre of alkaline earth metals occurs due to _____.

A. Oxide layer formation

B. Moisture

C. Hydrogen absorption

D. Carbon reaction

24 / 40

24. The periodic table period containing eight elements is period _____.

A. 2

B. 3

C. 5

D. 4

25 / 40

25. Volatility is not a property of _____

A. Metallic hydrides

B. Ionic hydrides

C. Covalent hydrides

D. Molecular hydrides

26 / 40

26. Increasing order of boiling points of Li, Cs, Rb and K is _____

A. Cs < K < Rb < Li

B. K < Cs < Rb < Li

C. Li < K < Rb < Cs

D. Rb < Cs < K < Li

27 / 40

27. Lower density compared to alkali metals is not a property of _____.

A. Beryllium

B. Magnesium

C. Calcium

D. Alkaline earth metals

28 / 40

28. A radioactive and extremely rare element among alkaline earth metals is _____.

A. Magnesium

B. Strontium

C. Calcium

D. Radium

29 / 40

29. Strong cohesive forces in lithium do not result in _____.

A. High melting point

B. Hardness

C. Strength

D. Softness

30 / 40

30. Graphite is used as the anode during extraction of _____.

A. Aluminium

B. Sodium

C. Magnesium

D. Calcium

31 / 40

31. Enthalpy change during lattice formation is referred to as _____.

A. Hydration energy

B. Activation energy

C. Lattice energy

D. Bond energy

32 / 40

32. Alkali metals belong to the _____ block.

A. D

B. F

C. S

D. P

33 / 40

33. Energy change accompanying electron addition to a gaseous atom is known as _____.

A. Ionization energy

B. Electron affinity

C. Electronegativity

D. Electron charge

34 / 40

34. Increasing atomic number order of Li, Na and K is _____.

A. Li < Na < K

B. K < Na < Li

C. Na < K < Li

D. Na < Li < K

35 / 40

35. Electronegativity as force of attraction was equated by _____.

A. Alfred Rochow

B. Bohr

C. Linus Pauling

D. Mulliken

36 / 40

36. Effective nuclear charge is represented by the symbol _____.

A. N

B. A

C. Q

D. Z

37 / 40

37. Formation of acidic oxides is not a property of _____.

A. Halogens

B. Metals

C. Non-metals

D. Metalloids

38 / 40

38. The modern periodic table contains _____ horizontal rows.

A. 5

B. 7

C. 6

D. 8

39 / 40

39. Metal used in photography compounds is _____.

A. Magnesium

B. Calcium

C. Potassium

D. Sodium

40 / 40

40. Acceptance of electrons is common among elements in groups

A. 5 and 8

B. 1 and 2

C. 3 and 4

D. 6 and 7

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Ernest

1 year ago

Please I don’t know if it is the website or my phone. It’s hard to change my answers. When I tried doing so, it might end up picking another answer or just not pick any. Meanwhile an indicator shows that one answer has been picked. In the end the website shows that I didn’t answer the question in the end.

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admin

Reply to Ernest

I’m really sorry you’re going through this. I’ll look into it ,but I doubt if the issue is from my website.

CHM 101 CBT Practice Questions for FUOYE Students(Now Active)

📘 CHM 101 PRACTICE TEST – IMPORTANT INSTRUCTIONS

📝 Test Details

⚠️ EXAM STRATEGY & TIPS

📊 GRADING SCALE

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