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Chemistry

Chemistry
The inherited traits of an organism are controlled by

RNA molecules
nucleotides
DNA molecules
enzymes

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Chemistry
The metallic constituents of hard water are :

Calcium, magnesium and iron
Magnesium, tin and iron
Iron, tin and calcium
Magnesium, calcium and tin

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Chemistry
The most abundant metal in the Earth’s crust is

Zinc
Iron
Copper
Aluminium

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

Multiple internal reflections
Hundred percent transmission
Multiple surface reflections
Highest refraction

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Chemistry
In drinking water supply, which of the following treatments is not involved

Softening
Coagulation
Sedimentation
Disinfection

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Chemistry
Which of the following is a renewable source of energy ?

Coal
Geothermal powder
Uranium
Natural gas

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MORE MCQ ON Chemistry

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