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Chemistry

Chemistry
DDT and BHC may act as

Allergens
None of these
Carcinogens
Asthematic agents

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Citric acid
Lactic acid
Carbonic acid
Acetic acid

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Chemistry
Conversion of chemical energy into electrical energy occurs in

Dynamo
Electric heaters
A battery
Atomic bombs

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Chemistry
Which of the following is biodegradable ?

Plastic
Aluminium
Paper
D.T.

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Chemistry
The most electropositive elements among the following is

K
Ca
Cs
Na

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Chemistry
Which one of the following is not a characteristic feature of alloys? They are

Solutions
Mixtures
Compounds
Homogeneous systems

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MORE MCQ ON Chemistry

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