Chemistry Identify the metal which is non toxic in nature. Chromium Gold Cobalt Cadmium Chromium Gold Cobalt Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Carbon di-oxide Methane Ethane Carbon monoxide Carbon di-oxide Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane Isobutane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hydroquinone Sodium sulphate Hypo Silver bromide Hydroquinone Sodium sulphate Hypo Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is a polymer of Isoprene Styrene Propene Vinyl acetate Isoprene Styrene Propene Vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
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