Chemistry The material used in the manufacture of lead pencil is Mica Graphite Carbon Lead Mica Graphite Carbon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 0.05 2 0.01 1 0.05 2 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called liquation levigation magnetic separation leaching liquation levigation magnetic separation leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 4.183 × 107 8.314 × 107 8.341 × 107 8.413 × 107 4.183 × 107 8.314 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Francium Chlorine Fluorine Radium Francium Chlorine Fluorine Radium ANSWER DOWNLOAD EXAMIANS APP
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