Q. KINDLY TELL THE VALENCIES OF THE FOLLOWING ELEMENTS
OXIDE, CHLORIDE, IODIDE, CARBIDE, NITRIDE, BROMIDE, FLUORIDE, NITRATE, PHOSPHATE, HYDROXIDE, BICARBONATE,
ACETATE, SULPHATE, SULPHITE, BARIUM, CUPROUS. CUPRLC, FERROUS, FERRIC, STANNOUS, STANNIC, PLUMBOUS,
PLUMBIC, MERCUROUS, MERCURIC.