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Chemistry

Chemistry
Peroxyacetyl nitrate is a

Vitamin
Plant hormone
Secondary pollutant
Acidic dye

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Chemistry
Which metal is the heaviest in periodic table among the following ?

Pb
W
Os
Pt

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Chemistry
Inert gases are

Chemically very active
Not stable
Chemically unreactive
Miscible with water

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Chemistry
Which among the following elements is found in maximum percentage in the human body ?

Nitrozen
Carbon
Oxyzen
Hydrogen

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Chemistry
What is the covalency of nitrogen in ammonia molecule

4
2
5
3

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Chemistry
Milk is

Foam
Gel
Emulsion
Suspension

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MORE MCQ ON Chemistry

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