Class 9 Chemistry 2022 Hard Areas MCQs Test

ByMuhammad Shayan Saeed May 21, 2023May 21, 2023

Federal Board, FBISE Class 9 Chemistry 2022 Hard Areas MCQs Test available on this page. Chapter-wise MCQs Tests of Class 9 Computer Science are available HERE.

Class 9 Chemistry 2022 Hard Areas MCQs Test

/12

Class 9 Chemistry
2022 Hard Areas
Practice MCQs Test

1 / 12

1. According to Rutherford’s model the circular path in which electron revolves around nucleus is called:

a) Block

b) Orbit

c) Track

d) Lane

2 / 12

2. Identify the pair of molecules having double covalent bonds:

a) O₂, HCl

b) O₂, N₂

c) O₂, H₂O

d) O₂, CO₂

3 / 12

3. Predict what will happen to the volume of a gas, if its pressure is raised three times, keeping the temperature constant?

a) Will become two third

b) Will remain constant

c) Will become three times

d) Will become one third

4 / 12

4. Considering the electronic configuration of atoms, which atom with the given electronic configuration will be the most stable one and least reactive?

a) 1s², 2s², 2p⁶, 3s¹

b) 1s², 2s², 2p¹

c) 1s², 2s², 2p⁵

d) 1s², 2s², 2p⁶

5 / 12

5. The oxidation state of Fe in Fe₂O₃ is:

a) -1

b) +2

c) +3

d) +6

6 / 12

6. The quantity of solute in a given amount of solvent is called:

a) Concentration

b) Percentage

c) Molarity

d) Solubility

7 / 12

7. Which of the following halogens has lowest electronegativity?

a) Fluorine

b) Bromine

c) Iodine

d) Chlorine

8 / 12

8. Charle’s law can be stated / represented as:

a) P/V = constant

b) PV = constant

c) VT = constant

d) V/T = constant

9 / 12

9. At constant temperature, on increasing the pressure on a gas, the distance between molecules:

a) Remains same

b) Decreases

c) Increases

d) Becomes zero

10 / 12

10. How many grams of O₂ are present in a container having 3×10²³ molecules? (Atomic mass O=16)

a) 24g

b) 32g

c) 16g

d) 8g

11 / 12

11. Predict which halogen can displace chlorine from aqueous solution of potassium chloride:

a) Fluorine

b) Astatine

c) Bromine

d) Iodine

12 / 12

12. Gemstones are solutions of:

a) Solids in gas

b) Solids in solids

c) Solids in liquid

d) Gas in solids

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