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Chemistry

Chemistry
The mass of one Avogadro number of helium atom is

8.00 gram
4.00 gram
4 x 6.02 x 1023 gram
1.00 gram

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Chemistry
The ore of Aluminium is

Bauxite
Fluorspar
Hematite
Chalco pyrites

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Chemistry
Hardest allotrope of carbon is

Graphite
Lamp black
Coke
Diamond

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Chemistry
The hottest part of the gas flame is known as

blue zone
non-luminous zone
dark zone
luminous zone

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Chemistry
What is Zeolite?

Dehydrated Calcium Sulphate
Hydrated Calcium Sulphate
Hydrated Aluminosilicate
Dehydrated Aluminosilicate

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Ethyl alcohol
Methyl alcohol
Methyl alcohol and H2O
Ethyl alcohol and H2O

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MORE MCQ ON Chemistry

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