Chemistry The depletion of ozone layer is due to Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Carbondioxide Sulphurdioxide Nitrogen Oxygen Carbondioxide Sulphurdioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bohr Anderson Bethe Fermi Bohr Anderson Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Zone melting Leaching Smelting Slugging Zone melting Leaching Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is charcoal graphite coke diamond charcoal graphite coke diamond ANSWER DOWNLOAD EXAMIANS APP
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