Question

show the effect of base on turmeric by an activity , with the point :
1) Material required ;
2) Procedure ;
3) Observation ;
4) Conclusion.​

Answer 1

Explanation:

Turmeric is used to check acids or bases

It is a basic substance.

It is also used as a spice indicator.

Materials required :

Turmeric, a container and sodium bicarbonate.

Procedure:

Heat the turmeric and put it in the container.

Let the solution dry.

Now add 2 spoons of bicarbonate of soda.

Add water and mix it well.

Observation:

The solution turns red or dark pink.

Conclusion;

In alkaline substances, the colour of turmeric changes.

Thus here it changes from yellow to red.

Answer 2

Answer:

Explanation:

"Material required: A pinch of turmeric and the solution to be tested.

Procedure: Take a pinch of turmeric and put a drop of the solution over it.

Observation: If it is a base, the turmeric will change into red color. But if it is an acid, it will not change its color.

Conclusion: Turmeric can be used to see whether a solution is a base or an acid."