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Chemistry

Chemistry
Forth floatation process to concentrate the minerals is applicable to

Bauxite
Chalcopyrites
Calamine
Haematite

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Chemistry
Which of the following alkali metals has highest specific heat?

Potassium
Rubidium
Lithium
Caesium

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Chemistry
The gas that causes suffocation and death when coal or coke is burnt in a closed room is

Carbon monoxide
Methane
Ethane
Carbon di-oxide

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Chemistry
1 carat of diamond is equal to

100 mg
200 mg
100 g
200 g

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Chemistry
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :

Nylon 66
Tollen's
Bakelite
Terylene

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Chemistry
DDT and BHC may act as

Carcinogens
None of these
Allergens
Asthematic agents

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MORE MCQ ON Chemistry

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