Chemistry Class 9 Chapter 7 MCQs Test

Chemistry Class 9 Chapter 7 ELECTROCHEMISTRY MCQs related to In The Redox Reaction Between Zn And HCI, The Oxidizing Agent Is, The Formula Of Rust Is, During The Formation Of Water From Hydrogen And Oxygen, Which Of The Following Does Not Occur, Nelson’s Cell Is Used To Prepare Caustic Soda Along With Gases. Which Of The Following Gas Is Produced At Cathode, The Most Common Example Of Corrosion Is, Which One Of The Following Is Not An Electrolyte, The Oxidation Number Of Chromium In K2Cr2O7 Is, Which One Of The Following Is Not An Electrolytic Cell, Formation Of Water From Hydrogen And Oxygen Is, Spontaneous Chemical Reactions Take Place In:

9th Class Chemistry Chapter 7 ELECTROCHEMISTRY MCQs TEST:

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Chapter 7– Electrochemistry

1 / 10

In the redox reaction between Zn and HCI, the oxidizing agent is?

2 / 10

The formula of rust is?

3 / 10

During the formation of water from hydrogen and oxygen, which of the following does not occur?

4 / 10

Nelson's cell is used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?

5 / 10

The most common example of corrosion is?

6 / 10

Which one of the following is not an electrolyte?

7 / 10

The oxidation number of chromium in K2Cr2O7 is?

8 / 10

Which one of the following is not an electrolytic cell?

9 / 10

Formation of water from hydrogen and oxygen is?

10 / 10

Spontancous chemical reactions take place in?

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