Question

4 Write word equations for the following chemical
reactions.
(a) Octane gas is burnt with oxygen in a car engine
to produce carbon dioxide and water.
(b) Sodium metal reacts with chlorine gas to form
sodium chloride.
(c) Hydrogen gas and oxygen gas combine to form
water.
(d) Zinc metal dissolves in hydrochloric acid to
form hydrogen gas and zinc chloride.

Answer 1

Answer:

A) 2 C8H18 + 25 O2 → 16 CO2 + 18 H2O

B) 2Na + cl2 -> 2Nacl

C) 2H2+02 -> 2H20

D) Zn + 2Hcl -> Zncl2 + H2