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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Maltase
Invertase
Diastase
Zymase

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon monoxide and nitrogen
Carbon dioxide and carbon monoxide
Ozone and carbon dioxide
Oxides of nitrogen and sulphur

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Chemistry
The common refrigerant in domestic refrigerator is

Freon
Oxygen
Neon
Nitrogen

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Chemistry
Silicone is a polymer of

Silicon tetrachloride
Dialkyl dichloro silane
Silane
Tetraalkyl silane

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Chemistry
The name of plastic polymer from which combs, toys, bowls etc., can be made, is

Metallic polysulphides
Polystyrene
Polyurethane
Teflon

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Chemistry
Sour milk contains

Acetic acid
Citric acid
Lactic acid
Tartaric acid

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MORE MCQ ON Chemistry

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