In Chemistry 9 Chapter 7 MCQs Test 4, there are 13 MCQs. We have prepared 46 multiple-choice questions, which are divided into 4 practice Tests and 4 Test yourself MCQs Tests. All MCQs are prepared from FBISE Book and Past Papers.

Practice
MCQs Test No 4

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Class 9 Chemistry
Chapter 7
Practice
MCQs Test No 4

1 / 13

Which substance is reduced in the following reaction?
NaOH + Li → LiOH + Na

2 / 13

What is oxidation number of Ca in CaCl2 ?

3 / 13

What is the reducing agent of this reaction?
2Al(s) + 6H+(aq)   →  2Al+3 (aq) + 3H2(g)

4 / 13

H2S +Cl2 → 2HCl + S
Which of the following species gets reduced?

5 / 13

2ZnO + C → 2Zn + CO2
Identify the element which is oxidized.

6 / 13

Loss of hydrogen atom by an element is called _____.

7 / 13

What is the oxidation number of O in O2 ?

8 / 13

What is the species that gain electrons in a redox reaction?

9 / 13

Oxidizing agents are mostly _____.

10 / 13

Which species undergoes a loss of electrons?

Fe (s) + Cl2 (g)   →   Fe+2 (aq)   +  Cl- (aq)

11 / 13

The oxidation state of oxygen in OF is _____.

12 / 13

The oxidation state of hydrogen in calcium hydride is _____.

13 / 13

Zn → Zn+2 + 2e-

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Test Yourself
MCQs Test No 4

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3

Class 9 Chemistry
Chapter 7
Test Yourself
MCQs Test No 4

1 / 13

H2S +Cl2 → 2HCl + S
Which of the following species gets reduced?

2 / 13

Which species undergoes a loss of electrons?

Fe (s) + Cl2 (g)   →   Fe+2 (aq)   +  Cl- (aq)

3 / 13

What is the oxidation number of O in O2 ?

4 / 13

What is the species that gain electrons in a redox reaction?

5 / 13

The oxidation state of oxygen in OF is _____.

6 / 13

Loss of hydrogen atom by an element is called _____.

7 / 13

Zn → Zn+2 + 2e-

8 / 13

What is the reducing agent of this reaction?
2Al(s) + 6H+(aq)   →  2Al+3 (aq) + 3H2(g)

9 / 13

Oxidizing agents are mostly _____.

10 / 13

What is oxidation number of Ca in CaCl2 ?

11 / 13

The oxidation state of hydrogen in calcium hydride is _____.

12 / 13

Which substance is reduced in the following reaction?
NaOH + Li → LiOH + Na

13 / 13

2ZnO + C → 2Zn + CO2
Identify the element which is oxidized.

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