Chemistry The metals commonly used for electroplating are Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Potassium Gold, Sodium and Chromium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Potassium Gold, Sodium and Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? H2SO4 Sodium Carbonate Pure Water HCl H2SO4 Sodium Carbonate Pure Water HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc 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 basic chemical building block of natural rubber obtained from trees is Isoprene Vinyl Chloride Acetylene Neoprene Isoprene Vinyl Chloride Acetylene Neoprene ANSWER DOWNLOAD EXAMIANS APP
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