Question

Describe briefly the steps followed in preparing a plant extract indicator

Answer 1

I think this answer will be helpful to you as I am going to tell you tu to make indicator using hibiscus petals .

how to make an indicator using hibiscus petals:-

1 . cut approximately 10 mixture hibiscus flower.

2. remove the stigma and touch the leaves so as to have only red petals remaining.

3. put them in a container and Pour approximately 6 ml of ethanol or surgical spirit; the latter works best.

4. Krishna petals using an appropriate implement, such as a mortar and pestle.

5. filter the solution, and you have the reddish indicator ready.

6. now check the reserve in sunlight if possible

. acid-towards the green (almost black)

. base-towards dark green (almost black).

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