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Chemistry

Chemistry
Which one is the most reactive gaseous element

Chlorine
Iodine
Flourine
Bromine

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Chemistry
In its reaction with silver nitrate, C2H2 shows

Reducing property
Basic property
Acidic property
Oxidising property

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Chemistry
The chief source of naphthalene is

Coal-tar
Camphor
Charcoal
Diesel

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Chemistry
The chemical name of rat poison is

Potassium cyanide
Zinc oxide
Lead nitrate
Zinc phosphide

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Chemistry
Conversion of chemical energy into electrical energy occurs in

Dynamo
A battery
Electric heaters
Atomic bombs

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Chemistry
Which one of the following is used as an anti-freeze for the automobile engines ?

Propyl alcohol
Ethylene glycol
Ethanol
Methanol

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