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Chemistry

Chemistry
Charcoal is used in water treatment as a/an

Adsorbent
Solvent
Coagulant
Absorbent

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Chemistry
Which one of the following group of gases contributes to the 'Green House Effect'?

Carbon dioxide and Methane
Ammonia and Ozone
Carbon tetraflouride and Nitrous oxide
Carbon monoxide and Sulphur dioxide

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Chemistry
The material which can be deformed permanently by heat and pressure is called a

thermoset
chemical compound
polymer
thermoplastic

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Chemistry
The most electropositive elements among the following is

K
Na
Cs
Ca

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Chemistry
In the electroplating of gold, the electrolyte used is

Potassium aurocyanide
Gold nitrate
Gold sulphate
Gold chloride

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Chemistry
Browning of paper in old books is caused by

Collection of dust
Oxidation of cellulose
Lack of aeration
Frequent use

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MORE MCQ ON Chemistry

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