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Chemistry

Chemistry
Identify the metal which is non toxic in nature.

Cobalt
Cadmium
Chromium
Gold

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Powder type
None of these
Foam type
Soda acid type

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Chemistry
Iron is extracted from

Cinnabar
Bauxite
Dolomite
Haematite

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Chemistry
The most important ore of aluminium is

bauxite
monazite
magnetite
haematite

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Chemistry
The fiber least prone to catch fire is

Terylene
Cotton
Nylon
Polyester

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Chemistry
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as

Independent
Antagonism
Additives
Synergism

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MORE MCQ ON Chemistry

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