Define acid and base —ed-Lowry concept
the following species, identify the acids and bases
18. Writetheconjugate acids of the following bases.
19, bases ofthe following acids?
according to the Bra
20. Writetheequationforthe reaction of sulphuric acid and water, and identiö•
acid, the base, the conjugate acid and the conjugate base.
21. acid-base pairs in the following reactions notation
asacid (l) and base (l)
a H2S(aq) + NH3(aq)
b CN-(aq) + H20(l) HCN(aq)
c H2C204(aq) + H20(1)
d HCOö(aq) + OH-(aq)
a What is meant by amphiproticsubstance?
b Write an equation for the ofwaterthat
of the following are amphiprotic
two figures are said to be congruent if they are equal in all respects all sides of 1 are equal at all the sides of the other and corresponding angles of 1 are equal to the corresponding angles of the other