Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Nitrogen Carbon dioxide Methane Ozone Nitrogen Carbon dioxide Methane Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Hydrochloric acid Nitric acid Sulphuric acid Lactic acid Hydrochloric acid Nitric acid Sulphuric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Tin and lead Copper and iron Carbon and tin Zinc and lead Tin and lead Copper and iron Carbon and tin Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Leaching Slugging Smelting Zone melting Leaching Slugging Smelting Zone melting ANSWER DOWNLOAD EXAMIANS APP