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Chemistry

Chemistry
The inert gases are ____ in water

sparingly soluble
insoluble
soluble
None of these

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Chemistry
The gas that causes suffocation and death when coal or coke is burnt in a closed room is

Carbon monoxide
Methane
Ethane
Carbon di-oxide

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Chemistry
The gas used in the manufacture of vanaspati from vegetable oil is

nitrogen
hydrogen
oxygen
carbon dioxide

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Coconut oil
Mustard oil
Groundnut oil
Sunflower oil

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Chemistry
Zone refining is used for the purification of

Ge
Au
Cu
Ag

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Chemistry
Commercially, sodium bicarbonate is known as

Baking soda
Washing soda
Bleaching powder
Soda ash

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