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Chemistry

Chemistry
Which component referred to as 'Milk sugar'?

Galactose
Maltose
Sucrose
Lactose

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Chemistry
Sea water is saltier than rain water because

Sea beds have salt producing mines
Rivers wash away salts from earth and pour them into the sea
The air around the sea is saltish
Sea animals are salt producing

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Chemistry
Colloids can be purified by

Condensation
Condensation
Dialysis
Condensation

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Chemistry
The gas causing acid rain in an industrial area is

Sulphur dioxide
Carbon dioxide
Carbon monoxide
Methane

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Chemistry
The metal chiefly used for galvanising iron is :

Cadmium
Tin
Mercury
Zinc

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Chemistry
Which of the following is a secondary pollutant ?

NO
SO2
CO
PAN

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MORE MCQ ON Chemistry

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