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Chemistry

Chemistry
A non-electronic conductor is

None of these
Copper Sulphate
Iron
Gas Carbon

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Chemistry
The major constituent of air is

carbon dioxide
nitrogen
hydrogen
oxygen

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Chemistry
An emulsion is a colloidal solution of

Liquid in liquid
Solid in Solid
Solid in liquid
Gas in solid

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Chemistry
What material is used to make electric heater coil ?

Silver
Nichrome
Iron
Copper

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Chemistry
Spirit in contact with body gives cool sensation because it is :

A good conductor
Transparent
Liquid
Highly volatile

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Chemistry
The Refrigerant 'FREON' is

Difluoro Dichloro Methane
Fluorspar and Felspar
Hydrofluosilicic Acid
Calcium Tetra Fluoride

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MORE MCQ ON Chemistry

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