Question

7. Why is hard water not suitable for
dyeing?​

Answer 1

Answer:

because in that bicarbonate of calcium and magnesium is present that react with dye and form elements that is harmful for us

Explanation:

I am not sure about tell me is it correct

Answer 2

Explanation:

hard water is water that has hight minerals content in contact with soft water hard water is found when water percolates thought deposite of limestone chalk or gypsum which are largely made up of calcium and magnesium carbonate bicarbonates and sulfates