Question

Test the nature of lemon juice and milk sample with the help of natural indicators prepared from different flowers. Explain their nature.

Answer 1

a) The petals of Hibiscus are taken as a natural indicator. 

b) Their colour changed to red colour when tested with lemon juice. 

c) This indicated that lemon juice is an acid. 

d) The colour of the petals of Hibiscus remains unchanged when tested with milk. 

e) This indicates that milk is neutral.