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Chemistry

Chemistry
Aerated water contains

SO2
CO2
NO2
H2

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Chemistry
The chemical name of 'Plaster of Paris' commonly used for setting broken bones is

Calcium chloride
Calcium nitrate
Calcium sulphate
Calcium carbonate

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Chemistry
Alum stops bleeding in minor cuts because of

Solvation
Coagulation
Emulsion
Dialysis

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Chemistry
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

Solar infrared radiation
CO2 in the air
SO2 in the air
Solar ultraviolet radiation

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

Antibiotic
Antiseptic
Coagulant
Disinfectant

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Chemistry
An element of atomic no. 29 belongs to

P-block
S-block
D-block
F-block

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MORE MCQ ON Chemistry

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