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CHEMISTRY

Chemistry
The pair of compounds used as anaesthetic in medicines :

Nitrous oxide, Chloroform
Nitrogen dioxide, ether
Chloroform, Nitrogen dioxide
Ether, Ammonia

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Chemistry
Which of the following is used for refrigeration?

Chlorine
Phosphine
Sulphur dioxide
Freon

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Chemistry
Freon' used as refrigerants is chemically

Fluorinated aromatic compound
Fluorinated hydrocarbon
Chlorofluoro hydrocarbon
Chlorinated hydrocarbon

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Methane
Ethane
Ethylene
Acetylene

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Chemistry
Which one of the following vegetable oils is used in the manufacture of paints?

Cottonseed oil
Sunflower oil
Palm oil
Linseed oil

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