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Chemistry

Chemistry
Ozone layer is present in

Stratosphere
Troposphere
Exosphere
Ionosphere

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Chemistry
The number of electrons presents in H+ is

two
three
one
zero

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Chemistry
The chemical name of 'Hypo' commonly used in photography is

Silver nitrate
Sodium thiosulphate
Silver iodide
Sodium nitrate

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Chemistry
Asbestos is formed of :

Calcium and Magnesium
Calcium and Zinc
Lead and Iron
Copper, Zinc and Manganese

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Chemistry
Which is not an anasthetic agent in surgical operations?

Chloroform
Nitrous oxide
Acetone
Ether

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

Antibiotic
Antiseptic
Disinfectant
Coagulant

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MORE MCQ ON Chemistry

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