Metals, bases, certain metal hydroxides and certain metal carbonates, are insoluble in water. You add the base/carbonate/metal to the warm acid until no more will dissolve and you have some of the ...

HITHERTO it has seemed that thallium was the only heavy metal with but slight tendency to form water-insoluble normal and inner-complex salts with organic compounds of acid character. Monovalent ...

Zinc oxide reacts with hydrochloric acid to form zinc chloride and water. Zinc oxide is insoluble in water. State and explain whether zinc oxide is a base, an alkali, or both. Zinc oxide is a base, ...

Many salts when applied to a soil in small quantities increase the bacterial activities of that soil. This is manifest by an increased production of ammonia, nitrates, and soluble and organic ...

The efficacy of vaccines depends on the presence of an adjuvant in conjunction with the antigen. Of these adjuvants, the ones that contain aluminium, which were first discovered empirically in 1926, ...