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Chemistry

Chemistry
Nitrogen is an essential constituent of all :

Proteins
Carbohydrates
Fats
Vitamins

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Chemistry
Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2

A and b
C and d
B and c
A and c

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Chemistry
When Hydrogen starts burning in air, it produces ?

Ammonia
Methane
Water
Carbonic Acid

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Chemistry
In a period from Li to F, ionisation potential

Increases
Remains same
Cannot be predicted
Decreases

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Chemistry
Tear gas is :

Bleaching powder
Chloroprene
Nitrous oxide
Carbonyl chloride

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Chemistry
Vulcanized rubber contains sulphur

10-15%
3-5%
7-9%
0.02

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MORE MCQ ON Chemistry

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