When dilute hydrochloric acid reacts with sodium hydroxide,
some heat is absorbed
some heat is released
no heat is released
depends
When dilute hydrochloric acid reacts with sodium hydroxide, some heat is released.
Sodium hydroxide+dil. hydrochloric acid→Sodium chloride+Water+Heat
Name the gas produced when aluminium foil reacts with :
(a) dilute hydrochloric acid.
(b) sodium hydroxide solution.
When water at 0∘C freezes to form ice at the same temperature of 0∘C, then it :
(a) absorbs some heat (b) releases some heat
(c) neither absorbs nor releases heat (d) absorbs exactly 3.34×105 J/Kg of heat