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UPSC CAPF AC Paper - I
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A smuggler could not carry gold by depositing iron on the gold surface, because

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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 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?

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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
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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?

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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 12

Consider the following statements:

1. The Galvanic cell converts chemical energy into electrical energy.

2. In a galvanic cell, the electron flow from anode to cathode occurs through the external circuit.

3. The Galvanic cell converts metal from its elemental state to the combined state.

Which of the statements given above is/are correct?

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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 13

When an acid cell is charged, then:   

 

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 14
The advantage of using fuel cell in a motor car could be