Question

1) Classify indicators based on colour and source

2) Classify indicators based on smell​

Answer 1

Answer:

Indicators based on Colour and source are

• Litmus paper
• Phenolphthalein
• Turmeric
• Methyl Orange
• pH Paper

Indicators based on the smell(Olfactory Indicators)

• Onion
• Vanilla extract
• Clove oil