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Chemistry

Chemistry
Peroxyacetyl nitrate is a

Plant hormone
Vitamin
Acidic dye
Secondary pollutant

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Chemistry
The drug ‘Marijuana’ is a

Hallucinating substance
Tranquillizer
Sedative
Mental stimulant

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Chemistry
What is the element that is in the highest percentage in the composition of the earth ?

Silicon
Iron
Magnesium
Oxygen

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Chemistry
The term 'brown air' is used for

Sulphurous smog
Photochemical smog
Industrial smog
Acid fumes

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Chemistry
Piped Natural Gas (PNG) is used for

Cooking
Anaesthesia
Welding
Mining

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Chemistry
Tetra ethyle lead (TEL) is

An antiknock compound
An antioxidant
A reductant
A catalyst in burning fossil fuel

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MORE MCQ ON Chemistry

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