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Chemistry

Chemistry
Nitric acid does not react with

Copper
Iron
Gold
Zinc

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Chemistry
Who is known as the 'father of modern chemistry'

Democritus
Robert Boyle
Antoine Lavoisier
John Dalton

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Chemistry
Soap helps in better cleaning of clothes because

Soap acts like catalyst
It absorbs the dirt
It reduces the surface tension of solution
It gives strength to solution

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Chemistry
The percentage of Nitrogen in Air is

78.03
0.03
85.02
0.94

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Chemistry
Which of the following elements is not present in stainless steel?

Chromium
Tungsten
Iron
Nickel

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Chemistry
The inert gas used as beacon light is

Kr
He
Ne
Ar

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MORE MCQ ON Chemistry

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