Chemistry What is the element required for solar energy conversion ? Silicon Tantalum Ultra pure carbon Beryllium Silicon Tantalum Ultra pure carbon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is gold platinum silver iron gold platinum silver iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Nylon 66 Tollen's Terylene Bakelite Nylon 66 Tollen's Terylene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Lead Polycyclic hydrocarbons Carbon monoxide Oxides of nitrogen Lead Polycyclic hydrocarbons Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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