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Chemistry

Chemistry
Sour milk contains

Acetic acid
Citric acid
Lactic acid
Tartaric acid

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Chemistry
Copper is refined by

Electrolysis
Zone refining
Roasting
Oxidation

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethane
Ethylene
Acetylene
Methane

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Chemistry
Quartz is a crystalline form of

Limestone
Glass
Silica
Alumina

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Carbon Monoxide
Ozone gas
Methane
Carbon dioxide

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

Dry Ice (Frozen CO2)
All of these
Silver Iodide (Ag I)
Sodium Chloride (NaCl)

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MORE MCQ ON Chemistry

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