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Chemistry

Chemistry
By which organic compound all the oils are known ?

Carbohydrate
Ester
Hydrocarbon
Protein

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Chemistry
The pollutant responsible for ozone holes is ________

SO2
CO
CO2
CFC

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Chemistry
Rock salt is a mineral containing

Sodium
Magnesium
Iron
Potassium

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Chemistry
Browning of paper in old books is caused by

Oxidation of cellulose
Frequent use
Lack of aeration
Collection of dust

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Chemistry
Galena is a mineral of

Calcium
Iron
Lead
Gold

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Chemistry
Which one of the following is not a cause for present global warming and climate change ?

Deforstation
Methane emission
CFC emission
Carbondioxide emission

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MORE MCQ ON Chemistry

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