MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
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The most commonly used substances in fluorescent tubes are _____.

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Important Questions on Chemistry

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following metals is used in the accumulator cell?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which of the following metal is the heaviest one?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
The gas originating in paddy field is:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following is the hardest metal?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
The colours of the fire crackers are extracted from the elements of the salt of:
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UPSC CAPF AC Paper - I
IMPORTANT
The density of water is maximum at 
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UPSC CAPF AC Paper - I
IMPORTANT
The boiling and freezing point of water on mixing an edible salt:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
The permanent hardness of water appears due to: