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Chemistry

Chemistry
Zone refining is used for the purification of

Ge
Cu
Ag
Au

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Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Chromium
Copper
Cadmium
Lead

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Chemistry
The cathode of a lead storage battery is made up of

Lead oxide
Manganese dioxide
Zinc
Lead

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Chemistry
Two elements which can form a large number of compounds are

Carbon and Hydrogen
Carbon and Oxygen
Carbon and Nitrogen
Carbon and Sulphur

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Chemistry
Milk is a colloidal system in which:

Fat is dissolved
Water is dispersed in fat
Fat and water are dispersed in each other
Fat is dispersed in water

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Chemistry
In ice, the number of hydrogen bonds per water molecule is

1
8
4
2

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MORE MCQ ON Chemistry

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