Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 19 17 36 53 19 17 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Hydrogen Methane Ethanol Butane Hydrogen Methane Ethanol Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver chloride Silver bromide Silver iodide Sodium chloride Silver chloride Silver bromide Silver iodide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Ni Pb Cu Pt Ni Pb Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was gold copper bronze iron gold copper bronze iron ANSWER DOWNLOAD EXAMIANS APP
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