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Chemistry

Chemistry
The atmospheric gas that is mainly responsible for Green House effect :

Carbondioxide
Oxygen
Nitrogen
Ozone

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Chemistry
Find the odd one:

Chalk
Slaked lime
Limestone
Marble

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Chemistry
Colloids can be purified by

Condensation
Condensation
Condensation
Dialysis

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Chemistry
Combustion of a candle is a/an

Physical change
Photochemical reaction
Endothermic reaction
Exothermic reaction

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Chemistry
Which one amongst the following is not a Green House gas?

Chloro fluoro carbons
Nitrogen
Carbon Monoxide
Carbon dioxide

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Chemistry
Which of the following is used to increase the anti-knocking property of petrol ?

Trimethyl lead
Tetramethyl lead
Triethyl lead
Tetraethyl lead

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