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Chemistry

Chemistry
Which of the following is a secondary pollutant ?

PAN
CO
SO2
NO

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Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Hydrogen
Butane
Methane
Ethanol

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Chemistry
Which of the following is colourless ?

Sulphur
Chlorine
Oxygen
Phosphorus

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Chemistry
An emulsion is a colloidal solution of

Gas in solid
Liquid in liquid
Solid in Solid
Solid in liquid

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise mixture
Enrich the aroma
Prevent making a colloid
Stabilise the colloid and prevent crystallisation

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Chemistry
The common name for the compound having formal NaOH is

Caustic potash
Caustic soda
Soda ash
Sodium hydroxide

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MORE MCQ ON Chemistry

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