Question

Fill in the blanks. Choose from the following:

[oleum, two, three, acid, black, white, lead nitrate, ethene, sulphate, barium chloride solution, sulphur dioxide, normal]

The basicity of sulphuric acid is ______. It can form ______ salt and ______ salt.

Answer 1

The basicity of sulphuric acid is two. It can form acid salt and normal salt.

Explanation: 

Sulphuric acid, H₂SO₄, has two replaceable hydrogen ions, so its basicity is two. It can form both acid salts and normal salts.