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Chemistry

Chemistry
Which one of the following nonmetals shows allotropy in the liquid state?

Bromine
Carbon
Phosphorous
Sulphur

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Chemistry
Most commonly used bleaching agent is

Carbon dioxide
Alcohol
Sodium chloride
Chlorine

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Chemistry
Antacids are found in drugs that give relief to

Stomach ache
Eye sight
Acne
Headache

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Chemistry
Dry ice is the solid form of :

Nitrogen
Carbon di–oxide
Air
Water

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Chemistry
Formation of ozone hole is maximum over

Antarctica
Africa
Europe
India

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Chemistry
Main pollutants released from iron and steel industry are

CO, CO2 and SO2
NO, SO3 and H2S
CO2, NO2 and SO3
CO2, H2S and NO2

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