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Chemistry

Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Precipitate
Sol
Emulsion
Gel

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Chemistry
The drug ‘Marijuana’ is a

Mental stimulant
Sedative
Hallucinating substance
Tranquillizer

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Chemistry
Nitrogen is an essential constituent of all :

Fats
Proteins
Vitamins
Carbohydrates

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Chemistry
The buffer action of blood is due to the presence of

HCI and NaCI
CI– and [HCO3]–
[HCO3]– and H2CO3
CI– and [CO3]2–

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Chemistry
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Nitrogen
Hydrogen
Argon
Helium

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Chemistry
Which one of the following is not a cause for present global warming and climate change ?

Methane emission
Deforstation
Carbondioxide emission
CFC emission

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MORE MCQ ON Chemistry

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