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Chemistry

Chemistry
Glycol is used to manufacture which of the following ?

Artificial silk
Rubber
Terylene
Nylon

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Chemistry
Which one is a sublime substance?

Iodine
Sugar
Potassium Iodide
Table salt

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Chemistry
The two metal ions that cause hardness to water are:

Calcium, Magnesium
Sodium, Magnesium
Sodium, Calcium
Sodium, Potassium

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Chemistry
White phosphorus is always kept under

Kerosene
Ether
Water
Benzene

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Chemistry
Ozone layer is present in

Troposphere
Exosphere
Ionosphere
Stratosphere

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Chemistry
London smog is found in

Summer during day time
Summer during morning time
Winter during morning time
Winter during day time

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MORE MCQ ON Chemistry

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