2(iii)
Name the following:
(a) A salt which is soluble in hot water, but insoluble in cold water.
(b) An alkali in which both copper hydroxide and zinc hydroxide can be dissolved.
(c) The cation that forms a reddish brown precipitate when its salt solution reacts with a strong alkali.
(d) The law which states that 'equal volumes of all gases, at the same temperature and pressure, have the same number of molecules'.
(e) Two metal wires/plates through which electricity enters and leaves the electrolytic cell during electrolysis.
Show SolutionHide Solution↓
(a) Lead(II) chloride (PbCl2)
(b) Ammonium hydroxide (NH4OH)
(c) Ferric ion / Iron(III) ion (Fe3+)
(d) Avogadro's Law
(e) Electrodes