Question

Using the knowledge of acids and bases, write a secret message with the help of

baking soda and beet root.

2. Prepare baking soda solution in water. Use this solution to write the message on a

sheet of white paper with a cotton bud. Rub a slice of fresh beet root over the

message.

3. What did you observe?

______________________________________________________________________

______________________________________________________________________

4. Write the conclusion of an experiment by choosing the correct answer:

The beetroot here acts as an ________(acid/base/ indicator) when it reacts with

baking soda which is (acidic/basic/indicator) _______in nature, reaction of these will​

Answer 1

Answer of 2:-if you make a baking soda solution(by mixing water with it), and using a cotton bud(which is dipped from the solution), you will have to write a message or text on a sheet of paper and then wait till it dries. Now take a slice of beetroot and rub it over the paper smoothly. The result is that the message will appear white after some 12 hours unlike how it was when you first rubed the slice over it.

Answer of3:-This can be considered as the reaction of baking soda solution with beetroot. Concerning the reaction between beetroot and plain baking soda, there is no reaction to happen.

Answer4:-(I)indicator

(ii)Acidic

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