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CHEMISTRY

Chemistry
DDT and BHC may act as

Asthematic agents
Allergens
None of these
Carcinogens

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Chemistry
Gunpowder consits of a mixture of

Sulphur, sand and charcoal
Nitre, sulphur and charcoal
Sand and TNT
TNT and charcoal

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Chemistry
Detergents are

None of these
Sodium salt of benzoic acid
Sodium salts of sulphonic acids
Sodium salts of fatty acids

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Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Copper
Zinc
Lead
Tin

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Ethyl alcohol
Ethyl alcohol and H2O
Methyl alcohol
Methyl alcohol and H2O

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