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Chemistry

Chemistry
1 carat of diamond is equal to

100 mg
200 mg
200 g
100 g

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Chemistry
What is a Bakelite ?

Base
Acid
Solution
Polymer

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Chemistry
Glycol is added to aviation gasoline because it

Reduces evaporation of petrol
Prevents freezing of petrol
Reduces consumption of petrol
Increases efficiency of petrol

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Chemistry
Acid rain' is caused due to air - pollution by

Methane
Carbon dioxide
Nitrous oxide and sulphur dioxide
Carbon monoxide

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Chemistry
German silver, an alloy, does not contain the metal

Copper
Nickel
Zinc
Silver

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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
Ethane
Carbon di-oxide
Methane

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MORE MCQ ON Chemistry

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