Chemistry The wire of flash bulb is made of: Magnesium Copper Silver Barium Magnesium Copper Silver Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Zero Depends on whether the reaction is exothermic or endothermic Negative Positive Zero Depends on whether the reaction is exothermic or endothermic Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 electron only 1 proton only 1 proton + 2 neutron 1 neutron only 1 electron only 1 proton only 1 proton + 2 neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is zeolites aluminium borosilicate aluminium silicate silicon oxide zeolites aluminium borosilicate aluminium silicate silicon oxide ANSWER DOWNLOAD EXAMIANS APP
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