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Chemistry

Chemistry
An alloy used in making heating elements for electric heating device is

Solder
German Silver
Nichrome
Alloy Steel

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Chemistry
Chemical name of Gammaxane is

Aniline
Benzene hexachloride
Chloro benzene
Toluene

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Chemistry
The hardest form of carbon is

graphite
charcoal
coke
diamond

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Chemistry
Alcoholic (– OH) group can be identified by :

Esterification Test
FeCl3Test
Tollen's Reagent Test
Ozonolysis Reaction

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Chemistry
Williamson's synthesis is widely used in the laboratory preparation of

Esters
Alcohols
Aldehydes
Ethers

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Chemistry
Petroleum is a mixture of

Hydrocarbons
Salts
Elements
Polymers

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