Complete the following sentences by choosing the correct word(s) from the brackets.
(a) The IUPAC name for formaldehyde is ............... (methanal / ethanal)
(b) A black solid, ............... (manganese dioxide / copper oxide) reacts with dilute sulphuric acid to form a blue-coloured solution.
(c) The drying agent not used for drying ammonia is ............... (CaO / P2O5)
(d) The salt formed when iron reacts with dilute HCl is ............... (FeCl3 / FeCl2)
(e) Ammonia reacts with excess chlorine to form ............... (NCl3 / NH4Cl)
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(a) The IUPAC name for formaldehyde is methanal.
(b) A black solid, copper oxide reacts with dilute sulphuric acid to form a blue-coloured solution.
(c) The drying agent not used for drying ammonia is P2O5.
(d) The salt formed when iron reacts with dilute HCl is FeCl2.
(e) Ammonia reacts with excess chlorine to form NCl3.