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Chemistry

Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

4J
2J
Infinity

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Chemistry
Browning of paper in old books is caused by

Frequent use
Collection of dust
Lack of aeration
Oxidation of cellulose

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Coconut oil
Mustard oil
Groundnut oil
Sunflower oil

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Chemistry
Which variety of coal contains recognisable traces of the original plant material ?

Peat
Anthracite
Bitumen
Lignite

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Chemistry
Which of the following elements is obtained from sea weeds ?

Sulphur
Iodine
Argon
Vanadium

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Chemistry
Which is a natural colloid ?

Blood
Cane-sugar
Sodium chloride
Urea

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MORE MCQ ON Chemistry

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