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Chemistry

Chemistry
Liquid Nitrogen boils at

54 kelvin
82 Kelvin
97 Kelvin
77 kelvin

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Chemistry
The metal that is usually extracted from sea water is

K
Na
Ca
Mg

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Chemistry
The inherited traits of an organism are controlled by

RNA molecules
nucleotides
enzymes
DNA molecules

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Chemistry
What particles move around the nucleus of an atom and are negatively charged?

Positrons
Protons
Electrons
Neutrons

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Chemistry
Drinking soda is

Alkaline
Neutral
Acidic
Oxidant

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Chemistry
Commercially, sodium bicarbonate is known as

Bleaching powder
Baking soda
Soda ash
Washing soda

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MORE MCQ ON Chemistry

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