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Chemistry

Chemistry
An example of replenishable energy source is–

Lignite
Petroleum
Coal
Biomass

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Chemistry
Stalactites and Stalagmites form due to the precipitation of :

CaCO3
MgCl2
CaCl2
MgCO3

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Chemistry
The purest form of water is

Distilled water
Rain water
Tap water
Ground water

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Chemistry
Setting of plaster of paris involves

Reduction process
Oxidation process
Dehydration process
Hydration to form other hydrates

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Chemistry
The anode of a dry cell is made up of

Zinc
Iron
Cadmium
Lead

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Chemistry
The coloured discharge tubes for advertisement mainly contain

Helium
Neon
Xenon
Argon

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MORE MCQ ON Chemistry

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