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Chemistry

Chemistry
________ gives hardness to stainless steel.

Lead
Zinc
Tin
Carbon

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Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Methyl alcohol
Acetylene
Methane
Ethyl formate

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Chemistry
Which one of the following is not coal variety?

Bituminous
Dolomite
Lignite
Peat

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Chemistry
Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called

Smoke
Fumes
Mists
Aerosols

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Chemistry
In an oxygen molecule, two atoms are united by

One bond
Three bonds
Two bonds
Four bonds

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Chemistry
Which one is the most reactive gaseous element

Flourine
Chlorine
Iodine
Bromine

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MORE MCQ ON Chemistry

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