Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 89 96 92 86 89 96 92 86 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 Heating of a ore below its melting point in the absence of air is known as Roasting Smelting Refining Calcination Roasting Smelting Refining Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Exosphere Stratosphere Ionosphere Troposphere Exosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 CuO CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Fluorine Bromine Chlorine Iodine Fluorine Bromine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP