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Chemistry

Chemistry
Ultra purification of a metal is done by :

Leaching
Slugging
Zone melting
Smelting

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Chemistry
Which of the following is the main nitrogenous waste in humans ?

Urea
Uric Acid
Ammonium Nitrate
Ammonia

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Chemistry
"Paramagnetism" is the property of

Completely filled electronics subshells
Paired electrons
Unpaired electrons
Completely vacant electronic subshells

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Chemistry
Which of these acids is not organic in origin?

Citric acid
Lactic acid
Oxalic acid
Sulphuric acid

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

Osmotic pressure
Viscosity
Sedimentation equilibrium
Light scattering

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Chemistry
Liquid Nitrogen boils at

82 Kelvin
97 Kelvin
77 kelvin
54 kelvin

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MORE MCQ ON Chemistry

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