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Chemistry

Chemistry
Polythene is polymer of

Propylene
Aniline
Acetylene
Ethylene

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

Corrosion building materials
Reduction in plant's productivity owing to acid rain
All of these
Respiratory and lung disease

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Chemistry
Normal rainwater is slightly acidic due to the presence of

Sulphur dioxide
Carbon dioxide
Methane
None of these

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

CO
All of these
O3
CO2

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Chemistry
The atmospheric gas that is mainly responsible for Green House effect :

Carbondioxide
Oxygen
Ozone
Nitrogen

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Citric acid
Carbonic acid
Acetic acid
Lactic acid

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MORE MCQ ON Chemistry

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