Chemistry Acid rain' is caused due to air - pollution by Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen oxygen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Lead Gold Calcium Iron Lead Gold Calcium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Quartz Mica Galena Feldspar Quartz Mica Galena Feldspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Hydration Desilication Carbonation Oxidation Hydration Desilication ANSWER DOWNLOAD EXAMIANS APP
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