Question

Drop of dilute sulphuric acid on red cabbage juice

Answer 1

Answer:

red cabbage extract is red when it's neutral and when we add dilute sulphuric acid to it it remains red because red cabbage leaves extract remains red in acidic medium.

Answer 2

Answer:

Explanation:

In this case, when dilute sulfuric acid is introduced with red cabbage, there is a pink color produced.

Red cabbage juice has a pigment in it which is water soluble. This pigment is called anthocyanin and the basic property of it is that it changes its color the moment it gets mixed with an acid or a base. This is further found by testing it against a pH and if the value is acidic, it indicates that it is acidic and if the value is more than 7 then is is basic and it is signified by a blue green color.