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 Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Anode Electrolyte Cathode Vessel Anode Electrolyte Cathode Vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Dibasic Tetrabasic Monobasic Tribasic Dibasic Tetrabasic Monobasic Tribasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is O2 Ar Ar N2 N2 CH4 O2 Ar Ar N2 N2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Leaching Slugging Smelting Zone melting Leaching Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP