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Chemistry

Chemistry
Which of the following is very reactive and kept in kerosene?

Sodium
Bromine
Iodine
Potassium

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Chemistry
A subshell with l=2 can take up

8 electron
3 electron
10 electron
5 electron

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Chemistry
Which of the following is colourless ?

Sulphur
Chlorine
Oxygen
Phosphorus

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Chemistry
One of the constituents of tear gas is

Ether
Chloropicrin
Ethanol
Ethane

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Chemistry
The most volatile of the given liquids is

Liquid
Ether
Liquid NH3
Liquid He

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Chemistry
Which of the following is not a precious/semi-precious stone?

Ruby
Sapphire
Pearl
Emerald

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