EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Which one of the following is known as salt peter?

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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 10>Q 31
Bronze is often used to make statues and medals, whereas brass is used in making utensils, scientific apparatus, and cartridges. Both brass and bronze are copper-containing alloys, yet they differ in their chemical composition for additionally containing _____.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 33
Which one of the following is the softest?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 34
Which among the following elements (metals) pollutes the air of a city having large number of automobiles?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 37
Which of the following is NOT an ore?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 38
The ultra pure metal is obtained by
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 40
Which of the following is a true statement regarding calcination?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 41
Why are stainless steel cooking pans fabricated with copper bottom?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 10>Q 42
Which is used in storage batteries?