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