EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100
Which among the following is an element?
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Important Questions on Chemistry
HARD
UPSC CAPF AC Paper - I
IMPORTANT
1. Nitrogen combines with metal to form nitride.
2. NO is formed on lightning.
3. HNO3 cannot be used as nitrogenous fertiliser.
Which of the statement(s) given above statements is/are correct?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
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UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements regarding diamond:
1. It is an allotrope of silicon.
2. It is a bad conductor of heat and electricity.
3. It is the hardest substance.
4. It burns to produce carbon dioxide.
Which of the statements given above are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
EASY
UPSC CAPF AC Paper - I
IMPORTANT
HARD
UPSC CAPF AC Paper - I
IMPORTANT
1. Non-metals are neither malleable nor ductile.
2. Non-metals are bad conductors of heat and electricity except for graphite, which conducts electricity.
3. Non-metals form negatively charged ions by gaining electrons when reacting with metals.
Which of the statements given above are correct?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
HARD
UPSC CAPF AC Paper - I
IMPORTANT
