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UPSC CAPF AC Paper - I
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Sacrificial anode protects iron or ships, underground pipelines etc. from rusting, a process known as cathodic protection. Which one of the following metals cannot be used as a sacrificial anode?

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Important Questions on Chemistry

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 4
The depolariser used is dry cell is
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 5
The depolarisation in a primary cell is used for the purpose of
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 6
A smuggler could not carry gold by depositing iron on the gold surface, because
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 7

Consider the following statements

1. The conductivity of electrolyte increases with rise in temperature.

2. Voltameter is used in the process of electrolysis. 3. Electrolysis of water is also called hydrolysis.

Which of these statement(s) is/are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 8
The electrochemical cell stops working after some time because,
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 9
When two plates of different metals are placed in an electrolyte, the developed emf between them depends on
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 10
The conduction of electricity through the electrolyte solution is due to?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 11

Consider the following statements regarding a motor car battery:

1. The voltage is usually 12 V.

2. The electrolyte used is hydrochloric acid.

3. Electrodes are lead and copper.

4. Capacity is expressed in ampere-hour.

Which of the above statements are correct?