Using the knowledge of acids and bases, write a secret message with the help of baking soda and beet root. Explain how it works. [Hint: 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.]
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Answer:
The explanation to the question -"Using the knowledge of acids and bases, write a secret message with the help of baking soda and beet root. Explain how it works" is-
Explanation:
In order to write a secret message with the help of baking soda and beet root.
First of all, we will prepare baking soda solution in water.
with a cotton bud we will use this solution to write the message on a sheet of white paper.
Since, Beet root is a natural indicator which gives yellow colour with basic solution. Then , if anything is written with a basic solution like baking soda and beet root is rubbed over it, the message would be seen in yellow colour.
BEETROOT- A NATURAL INDICATOR-
The beetroot is pH indicator becomes-
- lighter in acids, and
- darker in alkaline mixtures.
- edible natural pH indicator
- they all have anthocyanin in them which makes the solution change color.
BAKING SODA -A NATURAL INDICATOR-
Baking soda is basic in nature.
- It is generally used in food products thus, it cant have a acidic nature.
- Basically sodium bicarbonate comprise of which is chemical with high pH.
- Thus due to this high pH it can react with other foods.
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