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Chemistry

Chemistry
Silver gets corroded due to ________ in air.

Nitrogen
Hydrogen Sulphide
Carbon dioxide
Oxygen

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Chemistry
The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is

Carbocation
Free radical
Carbene
Carbanion

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

Hydrogenation
Oxidation
Hydrolysis
Ozonolysis

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Chemistry
The strongest oxidizing agent among the following is:

Oxygen
Iodine
Fluorine
Chlorine

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Chemistry
Carborundum is another name of

Calcium oxide
Calcium carbide
Silicon carbide
Silicon oxide

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Chemistry
For generation of biogas, the materials commonly used are

Animal wastes
Forest residues
Aquatic plants
Crop residues

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