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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927

CHM 101

1 / 40

1. First precipitation occurs with the salt having the _____ Ksp value.

A. Highest

B. Lowest

C. Zero

D. Neutral

2 / 40

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

A. Larger size

B. Closed shell stability

C. Weak bonding

D. High atomic mass

3 / 40

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

A. K < Cs < Rb < Li

B. Li < K < Rb < Cs

C. Cs < K < Rb < Li

D. Rb < Cs < K < Li

4 / 40

4. Electron affinity is affected by all except _____.

A. Atomic radius

B. Electronic configuration

C. Mass number

D. Effective nuclear charge

5 / 40

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

A. Nitric acid

B. Oxygen

C. Ammonia

D. Hydrogen

6 / 40

6. Volatility is not a property of _____

A. Covalent hydrides

B. Molecular hydrides

C. Ionic hydrides

D. Metallic hydrides

7 / 40

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

A. 5

B. 2

C. 4

D. 3

8 / 40

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

A. Calcium

B. Sodium

C. Magnesium

D. Aluminium

9 / 40

9. Elimination of anomalous positions of elements was achieved using _____.

A. Atomic number

B. Valency

C. Atomic mass

D. Density

10 / 40

10. Halogens possess _____ electron affinity

A. Exothermic

B. EndothermicExothermic

C. Zero

D. Positive

11 / 40

11. Acceptance of electrons is common among elements in groups

A. 1 and 2

B. 5 and 8

C. 3 and 4

D. 6 and 7

12 / 40

12. Metal used in photography compounds is _____.

A. Potassium

B. Magnesium

C. Calcium

D. Sodium

13 / 40

13. The structure not classified as a metal lattice is _____.

A. Hexagonal

B. Face centered cubic

C. Body centered cubic

D. Simple cubic

14 / 40

14. Classification of elements by Mendeleev was based on _____.

A. Atomic size

B. Atomic number

C. Physical properties

D. Chemical properties

15 / 40

15. Highest electropositivity among alkali metals is shown by _____.

A. Potassium

B. Sodium

C. Cesium

D. Lithium

16 / 40

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

A. Hydrogen

B. Carbon dioxide

C. Nitrogen

D. Oxygen

17 / 40

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

A. Mg − 2e⁻ → Mg²⁺ and O + 2e⁻ → O²⁻

B. Mg + O → MgO

C. Mg + 2e⁻ → Mg²⁻

D. Mg²⁺ + O²⁻ → Mg

18 / 40

18. Sodium hydride is classified as a _____ hydride.

A. Ionic

B. Molecular

C. Covalent

D. Metallic

19 / 40

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

A. Ionization energy

B. Electronegativity

C. Electron charge

D. Electron affinity

20 / 40

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

A. Non-metals

B. Metalloids

C. Halogens

D. Metals

21 / 40

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

A. Sodium

B. Potassium

C. Calcium

D. Magnesium

22 / 40

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

A. Alkaline earth metals

B. Magnesium

C. Calcium

D. Beryllium

23 / 40

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

A. Na < K < Li

B. K < Na < Li

C. Na < Li < K

D. Li < Na < K

24 / 40

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

A. Strength

B. Hardness

C. Softness

D. High melting point

25 / 40

25. The ability of an element to participate in a chemical reaction is measured by _____.

A. Electron density

B. Nuclear charge

C. Ionization energy

D. Electron cloud

26 / 40

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

A. Strontium

B. Barium

C. Magnesium

D. Calcium

27 / 40

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

A. Mendeleev

B. Dalton

C. Rutherford

D. Bohr

28 / 40

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

A. Lithium

B. Sodium

C. Cesium

D. Potassium

29 / 40

29. Higher first ionization energy of alkaline earth metals is due to _____.

A. Higher nuclear charge

B. Electron shielding

C. Lower charge

D. Larger radius

30 / 40

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

A. Pauli exclusion principle

B. Gay-Lussac law

C. Aufbau principle

D. Hund’s rule

31 / 40

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

A. Lower charge

B. Increased cationic charge

C. Larger size

D. Weak bonding

32 / 40

32. Electrovalent bonding occurs between atoms that readily _____ electrons.

A. Repel

B. Lose and attract

C. Share B

D. Donate and receive

33 / 40

33. Alkali metals belong to the _____ block.

A. S

B. D

C. P

D. F

34 / 40

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

A. Bohr

B. Alfred Rochow

C. Mulliken

D. Linus Pauling

35 / 40

35. Aircraft construction is not a use of _____

A. Aluminium

B. Magnesium

C. Beryllium

D. Titanium

36 / 40

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

A. Activation energy

B. Bond energy

C. Hydration energy

D. Lattice energy

37 / 40

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

A. Calcium

B. Magnesium

C. Sodium

D. Potassium

38 / 40

38. Covalent bonding is best represented by _____.

A. PCl₃

B. CaO

C. NaCl

D. MgOH

39 / 40

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

A. Q

B. A

C. Z

D. N

40 / 40

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

A. Carbon reaction

B. Hydrogen absorption

C. Oxide layer formation

D. Moisture

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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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