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Chemistry

Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Carbon dioxide
Oxygen
Hydrogen

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Chemistry
Ozone depletion in the atmosphere is mainly caused by

Chlorofluorocarbon
Nitrogen dioxide
Hydrogen sulphide
Sulphur dioxide

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Chemistry
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives

Copper at cathode and oxygen at anode
Copper at cathode and anodes dissolve to give copper
Copper at anode and oxygen at cathode.
Hydrogen at cathode and oxygen at anode

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

Gel
Emulsion
Sol
Precipitate

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Chemistry
The deterioration of a metal by an electrochemical process is commonly termed as

Corrosion
Erosion
Passivation
Abrasion

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Chemistry
Glycol is added to aviation gasoline because it

Increases efficiency of petrol
Prevents freezing of petrol
Reduces evaporation of petrol
Reduces consumption of petrol

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MORE MCQ ON Chemistry

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