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 cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Coal Tin Platinum Lead Coal Tin Platinum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrate Sodium carbonate Sodium nitrite Sodium bicarbonate Sodium nitrate Sodium carbonate Sodium nitrite Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Water Cast-iron Type metal Aluminium Water Cast-iron Type metal Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coordination number of body centered atom in cubic structure is 10 8 4 6 10 8 4 6 ANSWER DOWNLOAD EXAMIANS APP
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