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Chemistry

Chemistry
Natural rubber is the polymer of :

Isoprene
Butadiene
Ethylene
Styrene

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Chemistry
The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?

Zero
12
6
18

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Chemistry
The manufacture of iron from iron ore involves the process of

Electrolysis
Fractional distillation
Reduction
Oxidation

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Distillation
Filtration
Sedimentation
Sublimation

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Chemistry
‘Aerosol’ is known as

Microbes, present in air
Pollutant gas, present in air
Green house gas present in air
Suspended solid particles in air

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Chemistry
Normal rainwater is slightly acidic due to the presence of

Methane
None of these
Sulphur dioxide
Carbon dioxide

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MORE MCQ ON Chemistry

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