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Chemistry

Chemistry
The inherited traits of an organism are controlled by

RNA molecules
enzymes
DNA molecules
nucleotides

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Chemistry
The purest form of water is

Distilled water
Ground water
Rain water
Tap water

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Chemistry
Bleaching powder is used in drinking water as a/an

Antibiotic
Disinfectant
Antiseptic
Coagulant

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Chemistry
Mercury is a :

Solid metal
Liquid non-metal
Liquid metal
Solid non-metal

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Chemistry
The element with highest ionization potential is

Oxygen
Carbon
Helium
Boron

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Chemistry
Number of6.023 × 1020 atoms present in one mole of a gas at STP is

'6.023 × 10–23
6.023 × 1020
6.023 × 1023
'6.023 × 10–20

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