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Chemistry

Chemistry
The major use of sulphur is in the manufacture of

SO2
H2S
Fungicide
H2SO4

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

Infinity
4J
2J

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Chemistry
Which of the following vitamins is generally excreted by human in urine?

Vitamin D
Vitamin C
None of these
Vitamin B

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Chemistry
Milk is a colloidal system in which:

Fat and water are dispersed in each other
Fat is dispersed in water
Water is dispersed in fat
Fat is dissolved

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Chemistry
Activated Charcoal is used to remove colouring matter from pure substances by

Oxidation
Reduction
Adsorption
Bleaching

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Chemistry
Williamson's synthesis is widely used in the laboratory preparation of

Esters
Ethers
Aldehydes
Alcohols

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