Question

take a piece of cloth,put some curry on it , and allow it to dry. rinse the cloth in water, apply soap and rinse in water again. observe the colour changes and try to assign a reason​

Answer 1

Answer:

normally the color of the curry on the cloth will be yellow.but after soaping it and then rinsing it with water the color changes to reddish yellow.

Explanation:

now.first the curry contains haldi in it.which is the natural universal indicators.which changes its color according to the acid and base.

next the soap you use contains base or is basic in nature.

so when the haldi and basic soap reacts the color of the stain changes accordingly.