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Chemistry

Chemistry
The most commonly used bleaching agent is

chlorine
alcohol
carbon dioxide
sodium chlorine

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

Ethylene glycol
Propyl alcohol
Methanol
Ethanol

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Chemistry
The heat required to raise the temperature of body by 1 K is called

None of these
thermal capacity
water equivalent
specific heat

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Chemistry
The most pure form of Carbon among the options is

Lampblack
Anthracite
Wood Charcoal
Graphite

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Chemistry
Helium gas is used in gas balloons instead of hydrogen gas because it is

Non-combustible
Lighter than hydrogen
More stable
More abundant than hydrogen

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Chemistry
The resources which can be used continuously, year-after -year are called

Biotic
Renewable
Non-renewable
Abiotic

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