EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Which one of the following is used as a mordant in dyeing and tanning industry?

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 36

Consider the following gases:

1. Water vapour

2. Nitrous oxide

3. CFC

4. Methane

Which of the gases given above are Green House Gases(GHGs)?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 37
Vermicompost is a/an
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 38
Gypsum (CaSO4 · 2H2O) is added to clinker during cement manufacturing to
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 39
In modern days, which one of the following chemical compounds is used for the hair setting in beauty parlours/saloons?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 40
Match List I (Type of glass) with List II (Composition) and select the correct answer using the codes given below the lists.
     List I                   List II
A. Soda glass     1. Mixture of potassium and lead silicates
B. Crown glass   2. Mixture of sodium, barium, zinc and magnesium silicates
C. Flint glass      3. Mixture of sodium, zinc and aluminium silicates
D. Pyrex glass    4. Mixture of sodium and calcium silicates
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 41
Consider the following substances.
1. Toilet soap   2. Toothpaste
3. Vinegar       4. Baking soda
Which of the substances given above are mixture in nature?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 42
Select the correct statement from the codes given below
1. Cut glasses are lead glasses.
2. The main raw material for the preparation of soda glass is Na2CO3 .
3. Quicklime is CaO.
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 15>Q 43
Why can not hard water be used in boilers?