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Chemistry

Chemistry
The most pure form of Carbon among the options is

Lampblack
Wood Charcoal
Graphite
Anthracite

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Chemistry
Saccharin is made up of

Phenol
Propane
Toluene
Butane

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Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Aluminium
Zinc
Copper
Iron

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Chemistry
Which one of the following minerals is found in Monazite sand ?

Thorium
Sodium
Uranium
Potassium

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Chemistry
The method that cannot be used for removing permanent hardness of water is

distillation
boiling
adding caustic soda
adding sodium carbonate

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Chemistry
Most poisonous pollutant in water is

Phosphate
Zinc
Detergent
Arsenic

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