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Chemistry

Chemistry
Chemically ‘Quick Silver is known as

Copper
Mercury
Silver
Aluminium

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Chemistry
The depletion of ozone layer is due to

Carbon dioxide
Sulphur dioxide
Ethane
Chloro fluoro carbon

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Ozone
Oxygen
Carbon monoxide
Carbon dioxide

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Chemistry
Bleaching powder is used in drinking water as a/an

Antibiotic
Antiseptic
Coagulant
Disinfectant

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Chemistry
Which one is a soluble salt in H2O

PbCl2
CuS
Zn(OH)2
CaCl2

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Methyl alcohol and H2O
Ethyl alcohol and H2O
Ethyl alcohol
Methyl alcohol

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MORE MCQ ON Chemistry

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