Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 77 kelvin 82 Kelvin 54 kelvin 97 Kelvin 77 kelvin 82 Kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Carbon dioxide Sulphur dioxide Methane Carbon monoxide Carbon dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 100 g 200 g 100 mg 200 mg 100 g 200 g 100 mg 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour ANSWER DOWNLOAD EXAMIANS APP