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Chemistry

Chemistry
'Plaster of Paris' is made by partial dehydration of

Epsom salt
Blue vitriol
Green vitriol
Gypsum salt

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

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

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Calamine
Haematite
Chalcopyrites
Bauxite

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Chemistry
The most abundant element in the human body is

Iron
Nitrogen
Carbon
Oxygen

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Chemistry
The nuclear particle having no mass and no charge, but only spin is

Electron
Neutrino
Meson
Proton

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Chemistry
Diamonds are glittering and attractive because light incident on them undergoes

Hundred percent transmission
Multiple surface reflections
Highest refraction
Multiple internal reflections

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MORE MCQ ON Chemistry

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