Chemistry Which of these acids is not organic in origin? Oxalic acid Lactic acid Sulphuric acid Citric acid Oxalic acid Lactic acid Sulphuric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Air Iron Brass Carbon–dioxide Air Iron Brass Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Calcination Refining Roasting Smelting Calcination Refining Roasting Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? SO2 Cl2 O2 H2 SO2 Cl2 O2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Bakelite Tollen's Nylon 66 Terylene Bakelite Tollen's Nylon 66 Terylene ANSWER DOWNLOAD EXAMIANS APP