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Chemistry

Chemistry
Hard water and soft water can be distinguished by using

Ordinary soap
Detergent
Dilute acid
Liquid soap

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Chemistry
What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?

There is no reaction.
The paper ignites
There is a crackling sound
There is a violent explosion.

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Chemistry
By-product obtained by soap industry is

Caustic potash
Caustic soda
Naphthalene
Glycerol

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Chemistry
In galvanization, iron is coated with

Copper
Zinc
Nickel
Tin

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

Polyurethane
Metallic polysulphides
Teflon
Polystyrene

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Chemistry
Galvanization of iron is carried out using

Tin
Chromium
Zinc
Copper

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MORE MCQ ON Chemistry

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