Chemistry Which one of the following is most acidic CaO MgO Na2O Al22O3 CaO MgO Na2O Al22O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Activation energy Threshold energy Free energy Internal energy Activation energy Threshold energy Free energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Oil spill Radioactive waste Acid rain Carbon dioxide Oil spill Radioactive waste Acid rain Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon dioxide and Methane ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS