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Chemistry

Chemistry
Iron rusts quickly in

Sea water
River water
Distilled water
Rain water

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Chemistry
Emulsifier is an agent which

Accelerates the dispersion
Aids the flocculation of emulsion
Homogenizes the emulsion
Stabilizes an emulsion

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Chemistry
Methanoic and ethanoic acids can be distinguished by the action of

NaOH
SOCl2
NaHCO3
Tollen's reagent

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Chemistry
Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :

Hydrogenation
Ozonolysis
Oxidation
Hydrolysis

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Chemistry
German silver used for making utensils is an alloy of

Copper, zinc, nickel
Copper, nickel, aluminium
Copper, silver, nickel
Copper, zinc, aluminium

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Chemistry
A polymeric substance used to make parachute is

Viscose
Cotton
Terylene
Rayon

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MORE MCQ ON Chemistry

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