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Chemistry

Chemistry
Formic acid is produced by

Cockroaches
Mosquitoes
Red ants
White ants

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Chemistry
Cement is formed by strongly heating a mixture of

Clay and graphite
Chalk and graphite
Limestone and clay
Limestone and graphite

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Chemistry
Vinegar is an aqueous solution of

Oxalic acid
Citric acid
Acetic acid
Hydrochloric acid

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Chemistry
Aerated water contains

NO2
H2
SO2
CO2

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Sedimentation equilibrium
Light scattering
Viscosity
Osmotic pressure

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Lactic acid
Carbonic acid
Acetic acid
Citric acid

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