Question

B. Name the following.
1. A mixture of a number of indicators that shows different colours in different solutions
over the whole of pH range​

Answer 1

Answer:

A mixture of a number of indicators that shows different colours in different solutions  over the whole of pH range

A universal indicator

Answer 2

A universal indicator is a pH indicator made of a solution of several compounds that exhibits several smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions.