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Chemistry

Chemistry
Higher concentration of nitrogen dioxide in atmosphere air causes

Cancer
Bronchitis
Asphyxiation
Corrosion

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Chemistry
The highest volume of gases in lower atmosphere is comprised of

Carbon dioxide
Oxygen
Hydrogen
Nitrogen

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Chemistry
An element of atomic no. 29 belongs to

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

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Chemistry
Magnetite is

FeCO3
2Fe2O3. 3H2O
Fe3O4
Fe2O3

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Chemistry
Emulsifier is an agent which

Accelerates the dispersion
Homogenizes the emulsion
Aids the flocculation of emulsion
Stabilizes an emulsion

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Chemistry
Which of the following is not a natural source of hydrocarbon?

Mica
Petroleum
Natural Gas
Coal

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MORE MCQ ON Chemistry

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