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Chemistry

Chemistry
Which of the following is a secondary pollutant ?

SO2
NO
PAN
CO

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Chemistry
A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be

Zinc
Aluminium
Copper
Silver

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Chemistry
Photo-oxidation process is initiated by

Catalyst
Oxygen
Light
Heat

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Chemistry
The tip of the match-stick contains

Phosphorus pentoxide
White phosphorus
Red phosphorus
Phosphorus trichloride

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Chemistry
The metal chiefly used for galvanising iron is :

Tin
Mercury
Cadmium
Zinc

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Chemistry
The aqueous solution of potassium chloride is

A weak electrolyte
Initially weak and then become a strong electrolyte
A strong electrolyte
A non-electrolyte

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MORE MCQ ON Chemistry

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