2. What are the chief cleansing and purifying agents?
3. Explain the difference between hard and soft water. Remedies for hardness?
4. What is soap, and how does it act?
5. Why do we blue and starch clothes?
6. Describe the methods of forcing water through clothes.
7. Why are clothes boiled?
8. What are some of the labor saving devices and methods in washing and ironing?
9. Why must clothes be sorted according to fabrics?
10. What are the essentials of a good washing machine?
11. Make a list of the cleansers and chemicals necessary to have on the laundry shelf.