Chemistry Ferrous sulphate is used in water treatment as a/an Oxidizing agent Adsorbent Coagulant aid Reducing agent Oxidizing agent Adsorbent Coagulant aid Reducing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Compounds Homogeneous systems Solutions Mixtures Compounds Homogeneous systems Solutions Mixtures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium oxalate Calcium oxalate Calcium acetate Sodium chloride Sodium oxalate Calcium oxalate Calcium acetate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP