Question

sulphuric acid effect on china rose solution​

Answer 1

Explanation:

As we know, China Rose (Hibiscus) is a natural indicator. An indicator is a substance which helps in identifying whether a substance is acid or an base.

So in China Rose (Indicator) -

If the substance is an acid - it turns Dark Pink (Magenta)

If the substance is a base - it turns Green

Procedure -

1. Add the Sulphuric Acid in the juice of China Rose.

Observation -

We find that the the colour of the juice changes into Dark Pink or Magenta, showing that Sulphuric Acid is an acid.