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Chemistry

Chemistry
Ozone layer is present in

Troposphere
Exosphere
Stratosphere
Ionosphere

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Bauxite
Chalcopyrites
Haematite
Calamine

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Chemistry
Emulsifier is an agent which

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

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Chemistry
Which one of the following acids is used in battery ?

Hydrofluoric acid
Sulphuric acid
Hydrochloric acid
Sulphurous acid

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Chemistry
The gas which turns into liquid at the lowest temperature among the following is

Hydrogen
Oxygen
Helium
Nitrogen

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Chemistry
Lead in water can cause

Hair falling
Arthritis
Eye disease
Kidney damage

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MORE MCQ ON Chemistry

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