Chemistry Major gaseous pollutant of the thermal power station is NH3 H2 S NO2 SO2 NH3 H2 S NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Chromium Antimony Lead Zinc Chromium Antimony Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is liberated No heat change takes place Heat is absorbed Temperature decreases Heat is liberated No heat change takes place Heat is absorbed Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Sulphur dioxide Carbon dioxide None of these Methane Sulphur dioxide Carbon dioxide None of these Methane ANSWER DOWNLOAD EXAMIANS APP
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