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Chemistry

Chemistry
Nucleons are regarded as composites sub-particles known as

Mesons
Quarks
Photons
Leptons

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Chemistry
Plastic is a type of

Polyester
Polymer
None of these
Acrylic

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Chemistry
Which of the following has least negative electron gain enthalpy

F
S
Cl
P

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Chemistry
The most pure form of Carbon among the options is

Anthracite
Lampblack
Graphite
Wood Charcoal

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Chemistry
It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of

CO
CO2
Unburnt petrol
SO2

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Chemistry
Most commonly used bleaching agent is

Carbon dioxide
Chlorine
Alcohol
Sodium chloride

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