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Chemistry

Chemistry
What is a Bakelite ?

Acid
Polymer
Solution
Base

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Chemistry
Green house effect is accelerated by

Deforestation
Increased transportation activity
All of these
Rapid industrialization

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Chemistry
Solder metal is an alloy of

Lead and antimony
Copper and zinc
Lead and tin
Copper and tin

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Chemistry
Ozone layer is present in

Troposphere
Exosphere
Ionosphere
Stratosphere

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

Dry Ice (Frozen CO2)
Silver Iodide (Ag I)
Sodium Chloride (NaCl)
All of these

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Chemistry
Which variety of coal contains recognisable traces of the original plant material ?

Lignite
Bitumen
Anthracite
Peat

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MORE MCQ ON Chemistry

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