In olden days people were using washing soda for washing clothes.
What is washing soda?

In olden days people were using washing soda for washing clothes, i. What is washing soda?

In olden days people were using washing soda for washing clothes. Can washing soda be useful to clean clothes in all types of water? Justify your answer.

In olden days people were using washing soda for washing clothes. Write the chemical formula.

We use soaps and detergents for washing clothes. But in olden days people were using washing soda for that purpose. Can washing soda be used to clean clothes in all types of water. Justify your answer.

What are detergents? How are they classified? Why are detergents usually preferred to soaps for washing clothes? Give an example of detergents.

Water from a river can't be used for washing clothes by soap. So people there are using detergents.Give reason for this and suggest a remedy.