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Chemistry

Chemistry
The pollutant responsible for ozone holes is ________

CFC
CO2
SO2
CO

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Chemistry
The ore of Aluminium is

Hematite
Fluorspar
Bauxite
Chalco pyrites

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Chemistry
The element used in the manufacture of safety matches is

Magnesium
Sulphur
Phosphorous
Silicon

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Chemistry
Chemically ‘Quick Silver is known as

Copper
Aluminium
Mercury
Silver

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Chemistry
The most abundant element in the earth’s atmosphere is

Oxygen
Nitrogen
Krypton
Argon

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Chemistry
Major gaseous pollutant of the thermal power station is

NO2
NH3
SO2
H2 S

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MORE MCQ ON Chemistry

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