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Chemistry

Chemistry
Atomic number is the number equal to

Electrons
None of these
Protons
Neutrons

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Chemistry
Sour milk contains

Acetic acid
Lactic acid
Citric acid
Tartaric acid

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Chemistry
Milk is a natural

Solution
Mixture
Suspension
Emulsion

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Chemistry
Formic acid is produced by

Cockroaches
White ants
Mosquitoes
Red ants

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Chemistry
Submarines move under water. They have engines that run on

Petrol and oxygen
Diesel
Batteries
Steam

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Chemistry
The ‘Green House effect’ is produced due to the presence of excess amount of

Carbon monoxide
Methane
Nitrogen dioxide
Sulphur dioxide

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