Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 19 53 36 17 19 53 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Pb Cu Pt Ni Pb Cu Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Tin Zinc Lead Carbon Tin Zinc Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Fractional distillation Filtration Distillation Evaporation Fractional distillation Filtration Distillation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them are very close to each other They contain reflecting surface The molecules in them collide very freely They contain free electrons The molecules in them are very close to each other They contain reflecting surface The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP
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