Chemistry Sour taste of lemon is due to the presence of which of the following ? Oxalic acid Acetic acid Citric acid Formic acid Oxalic acid Acetic acid Citric acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Fog Sleet Smog Mist Fog Sleet Smog Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Lead Chromium Cadmium Copper Lead Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Sea water Distilled water Rain water River water Sea water Distilled water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
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