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Chemistry

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

Solder
German Silver
Alloy Steel
Nichrome

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Chemistry
For extinguishing fire, we use

Carbon Dioxide
Hydrogen
Marsh gas
Carbon Monoxide

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Chemistry
Entropy of Universe is always

Constant
Zero
Increasing
Decreasing

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Eutrophication in lakes
Depletion of fossil fuel reserves
Industrial smog formation
Lowering of pH of soil

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Chemistry
The most commonly used bleaching agent is

alcohol
chlorine
sodium chlorine
carbon dioxide

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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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MORE MCQ ON Chemistry

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