Chemistry Main source of lead pollution is from Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is three two zero one three two zero one ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Zirconium Uranium Thorium Plutonium Zirconium Uranium Thorium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Dialysis Condensation Condensation Condensation Dialysis Condensation Condensation Condensation ANSWER DOWNLOAD EXAMIANS APP
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