Question

Define:

(a) precipitation (b) neutralization

(c) catalyst

Answer 1

(a) Precipitation: A chemical reaction in which two compounds in their aqueous state react to form an
insoluble salt as one of the product.
Acid + Base → Salt + WaterExample.
(b) Neutralization: A chemical reaction in which a base or an alkali reacts, with an acid to produce a
salt and water only.
(c) Catalyst: A catalyst is a substance that either increases or decreases the rate of a chemical reaction without itself undergoing any chemical change.