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Chemistry

Chemistry
The Bhopal tragedy was caused by the gas

Chlorine
Methyl isocyanate
Phosgene
Carbon monoxide

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Chemistry
Calcium salts used as fertilizer is :

Calcium Sulphate
Calcium Carbide
Calcium Cyanide
Calcium Carbonate

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Chemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

geraniol
cineole
limonene
engenol

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Chemistry
The pollutant responsible for ozone holes is ________

CO
CO2
CFC
SO2

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Chemistry
The ore of Aluminium is

Chalco pyrites
Fluorspar
Hematite
Bauxite

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Chemistry
The most important ore of lead is

Galena
Magnetite
Pyrolusite
Siderite

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