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Chemistry

Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Sol
Precipitate
Emulsion
Gel

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Chemistry
Rectified spirit is :

95% ethyl alcohol
100% ethyl alcohol
Methylated spirit
Tincture iodine

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles do not react with it
It reacts with ordinary white bottles
Brown bottles react with it
Brown bottles stops the passage of light through it

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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
Vulcanization of rubber is carried out by adding

Ozone
Phosphorus
Sulphur
Carbon

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Chemistry
Which colour is produce by Arsenic during flame test

Crimson
Green
Blue
Red

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MORE MCQ ON Chemistry

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