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Chemistry

Chemistry
Total number of elements in the Periodic table

115
112
127
118

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Chemistry
The polymerisation of which often following is used in manufacturing of polythene in industry ?

Methane
Acetylene
Ethylene
Styrene

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Chemistry
The most volatile of the given liquids is

Liquid
Liquid NH3
Liquid He
Ether

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Chemistry
The example of oligosaccharide is

Ribose
Glucose
Sucrose
Cellulose

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Chemistry
DDT and BHC may act as

Allergens
Asthematic agents
None of these
Carcinogens

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Chemistry
Spontaneous change is one in there is:

An increase in Internal energy
A lowering of entropy
A lowering of free energy
Increase in free energy

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MORE MCQ ON Chemistry

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