Question

often coloured spots are formed on clothes during washing ;explain why

Answer 1

maybe because sometimes we fall any food item on our clothes.Food items generally contain turmeric which is a indicator. turmeric becomes red when comes in contact with bases and and remains yellow when it comes with contact with acid. it becomes red when it is washed with detergents are soaps because detergents and soaps contain bases.

Answer 2

Answer:

Sometimes impurities in the soap can form the spots on clothes. Some spots are like those of turmeric become red upon the action of soap. Thus coloured spots are seen during washing.