EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Which one of the following noble gases is not found in the atmosphere?

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Important Questions on Chemistry

HARD
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements
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
Calgon (Sodium metaphosphate) finds application as?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Yellow colour of usual nitric acid is due to the presence of which one of the following?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
White phosphorus glows in the dark due to _____.
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?