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CHEMISTRY

Chemistry
The pair of compounds used as anaesthetic in medicines :

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

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Chemistry
Which of the following is used for refrigeration?

Sulphur dioxide
Freon
Phosphine
Chlorine

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Chemistry
Freon' used as refrigerants is chemically

Fluorinated hydrocarbon
Fluorinated aromatic compound
Chlorofluoro hydrocarbon
Chlorinated hydrocarbon

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

Acetylene
Methane
Ethane
Ethylene

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

Sunflower oil
Palm oil
Cottonseed oil
Linseed oil

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