Question

answer from 4to8 please

Answer 1

4)a base;weak
5)Mineral
6)Base
7)Nitric
8)Sodium
Hope this helps

Answer 2

iv). Antacid syrup contain a base , which is weak.
v). Nitric acid which is commonly used in laboratory is called Mineral acid.
vi). Weak acid like magnesium Hydroxide is used as an antacid .
vii). Nitrict acid is used to manufacture fertilisers.
viii). Sodium Hydroxide is used in the manufacture of soap and paper .