Chemistry Class 9 Chapter 8 MCQs Federal Board
Chemistry Important MCQs
Class 9 Chapter 8 Chemical Reactivity
1. Metals have_____ melting points
A. Low
B. Moderate
C. High
D. None of these
ANSWER: C. High
2. Metals ____electrons very easily.
A. Gain
B. Lose
C. Both
D. None
ANSWER: B. Lose 
3. The tendency of a metal to lose electrons is known as _____
A. Electronegativity
B. Electron Affinity
C. Electropositivity
D. All of these
ANSWER: C. Electropositivity
4. Metals have_____ atomic size.
A. Small
B. Moderate
C. Large
D. All of these
ANSWER: C. Large
5. The ionization energies of metals is relatively_____ than non-metals
A. Large
B. Moderate
C. Small
D. All of these
ANSWER: C. Small
6. Magnesium has_____ electropositive character than beryllium
A. Smaller
B. Greater
C. Equal
D. All the possibilities exist
ANSWER: B. Greater
7. Boron is a ____
A. Metalloid
B. Metal
C. Non metal
D. All of these
ANSWER: A. Metalloid
8. K, Rb, Cs form ____
A. Normal oxide
B. Peroxide
C. Superoxide
D. All of these
ANSWER: C. Superoxide
9. Li forms ____
A. Normal oxide
B. Peroxide
C. Superoxide
D. All of these
ANSWER: A. Normal oxide
10. Which of the following forms a protective layer to prevent oxidation?
A. K
B. Rb
C. Ca
D. Al
ANSWER: D. Al
11. Nonmetal oxides are generally_____ in nature.
A. Basic
B. Amphoteric
C. Acidic
D. None of these
ANSWER: C. Acidic
12. Al2O3 is _____in nature
A. Basic
B. Amphoteric
C. Acidic
D. None of these
ANSWER: B. Amphoteric
13. Cesium is an_____ metal
A. Non metal
B. Alkali
C. Alkaline earth
D. All of these
ANSWER: B. Alkali
14. Ionization energy of lithium is_____ kj/mol.
A. 635
B. 520
C. 789
D. 459
ANSWER: B. 520
15. Alkali metals are never found in ___.
A. Free state
B. Oxidized state
C. Reduced state
D. Combined state
ANSWER: A. Free state
16. Na is more reactive than ___
A. F
B. Mg
C. Li
D. Cl
ANSWER: C. Li
17. Alkali metals are preserved in ____
A. Chloroform
B. Carbon tetrachloride
C. Acetone
D. Kerosene Oil
ANSWER: D. Kerosene Oil
18. Ionization energy of Ba is ___ kj/mol.
A. 678
B. 503
C. 777
D. 1231
ANSWER: B. 503
19. The melting point of sodium is __ oC
A. 100
B. 43
C. 78
D. 97.8
ANSWER: D. 97.8
20. Color of sodium is ___
A. Pinkish Blue
B. Sea green
C. Silvery White
D. Red
ANSWER: C. Silvery White
21. The reaction of sodium with water is highly __
A. Exothermic
B. Endothermic
C. Both
D. None
ANSWER: A. Exothermic
22._____ is a major part of atomic bomb.
A. Sr-90
B. Co-60
C. S8
D. C-12
ANSWER: A. Sr-90
23. Calcium only reacts with_____ water.
A. Hot
B. Moderate
C. Cold
D. Any
ANSWER: C. Cold
24. The formula of milk of magnesia is ____
A. MgCl
B. Mg[OH]2
C. MgO
D. MgF
ANSWER: B. Mg[OH]2
25._____ is involved in clotting of blood.
A. Sr
B. Ba
C. Ca
D. Cs
ANSWER: C. Ca
26. Which of the following are noble metals?
A. Silver
B. Gold
C. Platinum
D. All of these
ANSWER: D. All of these
27. Which of the following does not react with HCl?
A. Au
B. Mg
C. Na
D. F
ANSWER: A. Au
28. Cis-Platin is an __________agent.
A. Anti-fungal
B. Anti-bacterial
C. Anti-cancer
D. Anti-stroke
ANSWER: C. Anti-Cancer
29. Which of the following is a liquid?
A. F
B. Cl
C. Br
D. I
ANSWER: C. Br
30. Which of the following is a solid?
A. F
B. Cl
C. Br
D. I
ANSWER: D. I
31. Germanium is a ___
A. Metalloid
B. Non metal
C. Metal
D. None of these
ANSWER: A. Metalloid
32. The color of chlorine is ___
A. Greenish Yellow
B. Blue Green
C. Pink
D. Purple
ANSWER: A. Greenish yellow
33. Halogens act as_____ agents.
A. Reducing
B. Oxidizing
C. Electropositive
D. All of these
ANSWER: B. Oxidizing
34. Bromine has greater oxidizing power than ___
A. Fluorine
B. Chlorine
C. Iodine
D. Barium
ANSWER: C. Iodine
35. Which of the following has greater acidic strength?
A. HCl
B. HBr
C. HF
D. HBr
ANSWER: D. HBr
36. Which of the following cannot oxidize any halide ion?
A. F
B. Cl
C. Br
D. I
ANSWER: D. I
37. Which of the following oxidizes all halide ions?
A. F
B. Cl
C. Br
D. I
ANSWER: A. F
38. Reaction of ____ with hydrogen is highly explosive?
A. C
B. F
C. Ge
D. Si
ANSWER: B. F
39. Main component of computer chip is ___
A. Si
B. Cl
C. Br
D. I
ANSWER: A. Si
40. Which of the following is weakly acidic?
A. P4O10
B. K2Cr2O7
C. SiO2
D. SO2
ANSWER: C. SiO2
MCQs for Class 9 Chemistry that follows the FBISE curriculum.
Chapter 1 – Fundamentals of Chemistry
Click MCQ’s
Chapter 2 – Structure of Atoms
Click MCQ’s
Chapter 3 -Periodic Table & Periodicity of Properties
Click MCQ’s
Chapter 4 – Structure of Molecules
Click MCQ’s
Chapter 5 – Physical States of Matter
Click MCQ’s
Chapter 6 -Solutions
Click MCQ’s
Chapter 7 – Electrochemistry
Click MCQ’s
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