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Chemistry

Chemistry
Piped Natural Gas (PNG) is used for

Anaesthesia
Cooking
Welding
Mining

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Chemistry
The pair of compounds used as anaesthetic in medicines :

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

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Chemistry
The strongest oxidizing agent among the following is:

Fluorine
Oxygen
Iodine
Chlorine

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Chemistry
Ozone depletion in the stratosphere is mainly caused by

NO2
SO2
NO
Chlorogluorocarbons

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Chemistry
The tip of the match-stick contains

Phosphorus trichloride
Red phosphorus
Phosphorus pentoxide
White phosphorus

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Chemistry
Indane gas is mixture of

Butane and oxygen
Butane and propane
Methane and oxygen
Butane and hydrogen

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MORE MCQ ON Chemistry

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