Chemistry The antiparticle of an electron is Alpha particles Positron Beta particles Proton Alpha particles Positron Beta particles Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Sodium Calcium Magnesium Silicon Sodium Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 29 KJ 39 KJ 30 KJ 1 KJ 29 KJ 39 KJ 30 KJ 1 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Fractional distillation Distillation Filtration Evaporation Fractional distillation Distillation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Adsorption Reduction Oxidation Bleaching Adsorption Reduction Oxidation Bleaching ANSWER DOWNLOAD EXAMIANS APP
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