Chemistry Which one is a naturally occuring noble gas Boron Potassium Sodium Argon Boron Potassium Sodium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and pudding Plum and cake Cream and pudding Cream and cake Plum and pudding Plum and cake Cream and pudding Cream and cake ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 1 0.05 0.01 2 1 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Soda lime Soda ash Baking powder Baking soda Soda lime Soda ash Baking powder Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons All of these ANSWER DOWNLOAD EXAMIANS APP