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Chemistry

Chemistry
The important ore of aluminium is

Haematite
Fluorspar
Bauxite
Cryolite

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Chemistry
Nitric acid does not react with

Iron
Copper
Zinc
Gold

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Chemistry
The term 'brown air' is used for

Sulphurous smog
Photochemical smog
Industrial smog
Acid fumes

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Chemistry
Name two elements that find wide application in transistor industry

Tungsten and Platinum
Carbon and Platinum
Iridium and Germanium
Silicon and Germanium

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Chemistry
The inert gas used as beacon light is

Kr
He
Ar
Ne

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Chemistry
Milk is a natural

Emulsion
Suspension
Solution
Mixture

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MORE MCQ ON Chemistry

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