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Chemistry

Chemistry
The first organic compound synthesised in the laboratory was

Uric acid
Lactic acid
Urea
Glucose

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Chemistry
Nylon threads are made of

Polyester polymer
Polyamide polymer
Polysaccharide
Polyvinyl polymer

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Chemistry
Epsom salt is used

In softening water
In paper industry
In making tooth paste
As purgative

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Chemistry
Highest percentage of carbon is found in which form of coal?

Lignite
Bituminous
Peat
Anthracite

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Chemistry
The number of electrons presents in H+ is

two
zero
one
three

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Chemistry
The chemical formula of the laughing gas is

N2O3
NO
NO2
N2O

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