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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104

CHM 101

1 / 40

1. Halogens possess _____ electron affinity

A. Positive

B. Zero

C. Exothermic

D. EndothermicExothermic

2 / 40

2. Electrolysis of beryllium chloride requires the presence of _____.

A. Lithium oxide

B. Calcium chloride

C. Sodium chloride

D. Potassium bromide

3 / 40

3. Volatility is not a property of _____

A. Molecular hydrides

B. Ionic hydrides

C. Metallic hydrides

D. Covalent hydrides

4 / 40

4. Acceptance of electrons is common among elements in groups

A. 1 and 2

B. 3 and 4

C. 5 and 8

D. 6 and 7

5 / 40

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

A. Potassium

B. Calcium

C. Sodium

D. Magnesium

6 / 40

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

A. Increased cationic charge

B. Lower charge

C. Weak bonding

D. Larger size

7 / 40

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

A. Cs < K < Rb < Li

B. Rb < Cs < K < Li

C. Li < K < Rb < Cs

D. K < Cs < Rb < Li

8 / 40

8. Metal used in photography compounds is _____.

A. Potassium

B. Calcium

C. Sodium

D. Magnesium

9 / 40

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

A. Softness

B. High melting point

C. Hardness

D. Strength

10 / 40

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

A. Share B

B. Repel

C. Donate and receive

D. Lose and attract

11 / 40

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

A. Atomic number

B. Physical properties

C. Chemical properties

D. Atomic size

12 / 40

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

A. Carbon dioxide

B. Hydrogen

C. Oxygen

D. Nitrogen

13 / 40

13. Alkali metals belong to the _____ block.

A. P

B. S

C. F

D. D

14 / 40

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

A. Gay-Lussac law

B. Aufbau principle

C. Pauli exclusion principle

D. Hund’s rule

15 / 40

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

A. Larger radius

B. Electron shielding

C. Lower charge

D. Higher nuclear charge

16 / 40

16. Covalent bonding is best represented by _____.

A. PCl₃

B. CaO

C. NaCl

D. MgOH

17 / 40

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

A. Atomic number

B. Valency

C. Atomic mass

D. Density

18 / 40

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

A. Mg²⁺ + O²⁻ → Mg

B. Mg + 2e⁻ → Mg²⁻

C. Mg − 2e⁻ → Mg²⁺ and O + 2e⁻ → O²⁻

D. Mg + O → MgO

19 / 40

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

A. Neutral

B. Highest

C. Lowest

D. Zero

20 / 40

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

A. 3

B. 5

C. 4

D. 2

21 / 40

21. Periodicity of elemental properties based on atomic number is called _____.

A. Modern periodic law

B. Atomic theory

C. Classical law

D. Periodic trend

22 / 40

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

A. J.J. Thomson

B. Robert Millikan

C. De Chancourtois

D. Rydberg

23 / 40

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

A. High atomic mass

B. Weak bonding

C. Larger size

D. Closed shell stability

24 / 40

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

A. Hexagonal

B. Face centered cubic

C. Body centered cubic

D. Simple cubic

25 / 40

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

A. Decreasing

B. Zero

C. Constant

D. Increasing

26 / 40

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

A. Lattice energy

B. Hydration energy

C. Bond energy

D. Activation energy

27 / 40

27. Radioactive isotope of hydrogen is _____

A. Neutrium

B. Protium

C. Tritium

D. Deuterium

28 / 40

28. The most stable fluoride among alkali metals is formed by _____.

A. Potassium

B. Sodium

C. Cesium

D. Lithium

29 / 40

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

A. Electron charge

B. Electron affinity

C. Electronegativity

D. Ionization energy

30 / 40

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

A. Nuclear charge

B. Electron density

C. Electron cloud

D. Ionization energy

31 / 40

31. Aircraft construction is not a use of _____

A. Titanium

B. Aluminium

C. Magnesium

D. Beryllium

32 / 40

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

A. Calcium

B. Beryllium

C. Magnesium

D. Alkaline earth metals

33 / 40

33. Electron affinity is affected by all except _____.

A. Mass number

B. Atomic radius

C. Electronic configuration

D. Effective nuclear charge

34 / 40

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

A. Two

B. Four

C. One

D. Three

35 / 40

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

A. Oxide layer formation

B. Hydrogen absorption

C. Carbon reaction

D. Moisture

36 / 40

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

A. Calcium

B. Magnesium

C. Strontium

D. Radium

37 / 40

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

A. Na < K < Li

B. Li < Na < K

C. K < Na < Li

D. Na < Li < K

38 / 40

38. The modern periodic table contains _____ horizontal rows.

A. 5

B. 8

C. 6

D. 7

39 / 40

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

A. John Newlands

B. Lavoisier

C. Dobereiner

D. Mendeleev

40 / 40

40. Tendency of an atom to attract shared electrons is termed _____.

A. Polarization

B. Ionization energy

C. Electron affinity

D. Electronegativity

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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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