(a)[1]
is a solid produced during the thermal decomposition of limestone in the blast furnace.
(b)[1]
can react with both acids and alkalis.
(c)[1]
features a giant covalent structure.
(d)[1]
contains an ion whose oxidation number is $+2$.
(e)[1]
changes white anhydrous copper(II) sulfate to blue.
(f)[1]
is produced during the fermentation of aqueous glucose to make ethanol.