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Chemistry

Chemistry
Of the following, which one pollutes the air of a big city ?

Cadmium
Copper
Lead
Chromium

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Chemistry
One of the constituents of tear gas is

Ether
Chloropicrin
Ethanol
Ethane

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Chemistry
The anode of a dry cell is made up of

Iron
Cadmium
Zinc
Lead

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Chemistry
Slag is a name given for

Molten iron
Molten sand
Molten calcium silicate
Molten alumina

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Chemistry
Dry powder fire extinguishers contain

Sand and sodium carbonate
Sand and sodium bicarbonate
Sand
Sand and potassium carbonate

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Chemistry
Which one of the following elements exhibits the greatest tendency to lose electrons ?

Lithium
Oxygen
Fluorine
Zinc

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MORE MCQ ON Chemistry

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