... as zinc white, is an outcome of zinc by oxidation. Insoluble in water, soluble in acid and alkali. Zinc oxide as ... and excellent performance of in normal temp., so it also make wide applications in the field of liquid crystal display in the semiconductor, thin ... , density 5.606, melting point 1975 °, is an amphoteric oxide, soluble in acid and alkali, insoluble in water or ethanol. High temperature, ...