Chemistry Class 9 Chapter 8 Important MCQs Federal Board

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

-> For joining online Chemistry Classes, Notes, Video Lecture, MCQs


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