Question

Prepare a natural indicator from red cabbage leaves/beetroot/china rose petals . Test the nature of the following substances
a)Baking Soda
b)Detergent
c)Lemon Juice
d)Milk
e)Papaya
f)Soap
g)Toothpaste
h)Coffee

Answer 1

red cabbage leaves turn green in reaction with BAZE & turn pink or red in reaction with ACID.

A) Baking soda is base so red cabbage leaves juice will turn Green.

B)Detergent - BAZE - Green

C) Lemon juice - ACID - pink/red

D)Milk - red/pink

e f g ) green

h) red/pink