MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

White phosphorus glows in the dark due to _____.

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements 
1. Nitric acid is used in the production of fertilizers.
2. Sulphuric acid is used in the production of explosives.
Which of the statements given above is/are correct?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following is also called Stranger Gas?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
The most reactive among the halogens is _____.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Which noble gas was discovered in chromosphere of the sun?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Bleaching powder is obtained by the action of chlorine gas and
EASY
UPSC CAPF AC Paper - I
IMPORTANT
The radioactive noble gas is
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements
1. Boric acid is a mild antiseptic and is used as a food preservative.
2. Borax and other borates are used in water-treatment, timber preservation, glass manufacture.
3. Sodium peroxoborate is an important constituent of washing powder.
Select the correct statements.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Dry ice is