Punjab 9th Class Chemistry Chapter 7 Electrochemistry Mcqs Test Online
Questions 10
Total Marks 20
Time 10 Mins
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Punjab 9th Class Chemistry Chapter 7 Electrochemistry Mcqs Test Online

Punjab 9th Class Chemistry Chapter 7 Electrochemistry Punjab Class 9th

  • Chemistry
 

Question 1 of 10

Chemistry

1. In which of the following changes, the nitrogen atom is reduced.

Question 1 of 10

Question 2 of 10

2. Which of the following changes reaction is an example of oxidation

Question 2 of 10

Question 3 of 10

3. Which of the following elements in the given reaction is reduced?
ZnO + H₂ → Zn + H₂O

Question 3 of 10

Question 4 of 10

4. Consider the following reaction:
H₂S + Cl₂ → 2HCl + S
In this reaction H₂S behave as

Question 4 of 10

Question 5 of 10

5. The oxidation state of Cr in K₂Cr₂O₇ is

Question 5 of 10

Question 6 of 10

6. Which of the following statement is not correct about the galvanic cell:

Question 6 of 10

Question 7 of 10

7. Which of the following is not true about the Daniel cell:

Question 7 of 10

Question 8 of 10

8. Which of the following do not involve electrolytic process?

Question 8 of 10

Question 9 of 10

9. Galvanizing is:

Question 9 of 10

Question 10 of 10

10. Which of the following is true for the Nelson cell:

Question 10 of 10


 

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