Question

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

Answer 1

lemon juice and milk both are acidic in nature, but lemon juice is more acideic than milk. You can use delphinium petals it changes to bluish red in acidic solutions . you can also use , black berries, beet root, etc.to test the nature of lemon juice and milk.

Answer 2

WHEN BLUE LITMUS IS DIPPED INTO LEMON JUICE IT TURNS TO RED COLOUR AS IT CONTAINS CITRIC ACID AND IT REMAINS THE SME COULOUR WHEN RED LITMUS IS DIPPED IN IT.                            

 

SAME RESULT AS LEMON JUICE ABOUT MILK WHEN LITMUS PAPER IS DIPPED IN IT AS IT CONTAINS LACTI ACID.

WHEN TURMERIC IS IS PUT ON LEMON JUICE AND IN MILK IT WILL TURN REDISH ORANGE.

WHEN CHINA ROSE EXTRACT IS ADDED IN EITHER OF THESE SUBSTANCES IT WILL TURN DARK PINK/MAGENTA.