The substances listed below are shown:
aluminium oxide, calcium oxide, chlorine, ethanol, graphite, nitrogen, oxygen, propane, propene, silicon(IV) oxide
Use the list of substances to answer the questions.
Each substance can be chosen once, chosen more than once, or not chosen at all.
State which of the substances:
(a)[1]
is a compound with a giant covalent structure
(b)[1]
is an unsaturated hydrocarbon
(c)[1]
is an amphoteric oxide
(d)[1]
is a good conductor of electricity when solid
(e)[1]
contains simple molecules with 9 atoms
(f)[2]
combine to form slag in the blast furnace
................. and .................
(g)[1]
belongs to a homologous series with general formula $C_nH_{2n+2}$
(h)[1]
is made by the catalytic addition of steam to ethene
(i)[1]
is a gas that makes up approximately 78% of clean, dry air
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “silicon(IV) oxide, $\text{SiO}_2$” …