2HCI
(a) lons are derived from atoms difier from them by having electrical charges.
(7 ma
SECTION (A)
(Answer ALL questions)
Some sodium hydroxide pelles are disolved in water, the beaker become hot, This proces
of solution.
H,Cl
(f) An anode which is a reducing agent.
(
Light
is stated as endothermic reaction.
(e) A molar sodium chloride soltion contains 58.5gof sodium chloride in one cubic decimet
(b) Knocking will occur in the gasoline engine.
(o) The electronic structure shown by [He] 2s is Lithium.
(d) The following reaction is light catalyst reaction.