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UPSC CAPF AC Paper - I
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Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to

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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 1>Q 1
Internal energy of gas (ideal) depends only on
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 2
The temperature to which a gas must be cooled before it can be liquefied by compression is called
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 3

Consider the following statements

1. When evaporation takes place, cooling takes place.

2. Evaporation takes place at all temperatures, boiling takes place only at the boiling point.

3. Evaporation is a surface phenomenon.

Which of the above is/are true?

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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 4
The gas used in a refrigerator is _____.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 5
Which of the following gases will have the highest rate of diffusion
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 6
Matter around us can exist in three different states, namely, solid, liquid and gas. The correct order of their compressibility is _____.
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 7
The absolute zero, i.e., temperature below which is not achievable, is about _____.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 1>Q 8
At very low temperature, oxygen O2, freezes and forms a crystalline solid. Which term best describes the solid?