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Chemistry

Chemistry
Atoms of same element having different mass numbers are called________

Isotones
Isobars
Isomers
Isotopes

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Chemistry
DDT and BHC may act as

Asthematic agents
Carcinogens
Allergens
None of these

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Chemistry
Which of the following contains high content of lead?

Cooking gas
High octane fuel
Coal
Low octane fuel

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Chemistry
Aspirin is chemically known as

Methyl salicylate
Acetylsalicylic acid
Hydroxysalicylate
Alkylsalicylic acid

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Chemistry
Silicon is a

Nonconductor
Semiconductor
Insulator
Conductor

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Chemistry
The Refrigerant 'FREON' is

Difluoro Dichloro Methane
Hydrofluosilicic Acid
Fluorspar and Felspar
Calcium Tetra Fluoride

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MORE MCQ ON Chemistry

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