Class 9 Chemistry 2021 Local MCQs Test

ByMuhammad Shayan Saeed May 21, 2023May 21, 2023

Federal Board, FBISE Class 9 Chemistry 2021 Local MCQs Test available on this page. Chapter-wise MCQs Tests of Class 9 Computer Science are available HERE.

Class 9 Chemistry 2021 Local MCQs Test

/12

Class 9 Chemistry
2021 Local
Practice MCQs Test

1 / 12

1. Group number of aluminum is:

a) III-A

b) VI-A

c) IV-A

d) I-A

2 / 12

2. Which of the following substance in the given reaction is being reduced?
ZnO + H₂→Zn+H₂O

a) H₂O

b) Zn

c) H₂

d) ZnO

3 / 12

3. How many moles of Na atoms are present in 2.3g of Sodium?

a) 1.5

b) 1.0

c) 0.15

d) 0.1

4 / 12

4. Which of the following oxides is the most basic oxide?

a) BaO

b) SrO

c) MgO

d) CaO

5 / 12

5. Total number of shared electrons in a molecule of CO₂ are:

a) 8

b) 10

c) 6

d) 4

6 / 12

6. In which of the following processes speed of particles decrease:

a) Condensation

b) Sublimation

c) Boiling

d) Evaporation

7 / 12

7. A mole is an amount of substance that contains _____ particles of that substance.

a) 6.626 × 10^-34

b) 60.22 × 10²³

c) 6.022 × 10²³

d) 6.626 × 10²³

8 / 12

8. Which of the following is a component of air responsible for greenhouse effect?

a) O₂

b) H₂

c) CO₂

d) N₂

9 / 12

9. A sub-shell that can accommodate 10 electrons is:

a) s

b) f

c) d

d) p

10 / 12

10. A compound with chemical formula Na₂CX₃ has formula mass of 106 amu. Atomic mass of the element “X” is:

a) 12 amu

b) 23 amu

c) 106 amu

d) 16 amu

11 / 12

11. All the halogens react with metals to form salts called:

a) Hydrides

b) Sulphates

c) Halides

d) Carbides

12 / 12

12. The oxidation state of “S” in S₂Cl₂ is:

a) +1

b) -1

c) -2

d) +2

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