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Chemistry

Chemistry
Nitrogen is an essential constituent of all :

Carbohydrates
Proteins
Vitamins
Fats

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Chemistry
Tear gas used by the police to disperse the mob contains

Chlorine
Ammonia
Hydrogen sulphide
Carbon dioxide

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Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Copper
Zinc
Lead
Tin

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Chemistry
Milk is a colloidal system in which:

Water is dispersed in fat
Fat and water are dispersed in each other
Fat is dissolved
Fat is dispersed in water

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Chemistry
An electric iron has a heating element made of :

Nichrome
Tungsten
Zinc
Copper

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Chemistry
Silica gel is a

Delicious food
Moisturizer
Flavouring agent
Drying agent

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MORE MCQ ON Chemistry

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