1. ............ is a substance used with water for washing and cleaning, made of a compound of natural oils or fats with sodium hydroxide or another strong alkali, and typically having perfume and colouring added.

Soap

Saop

Soab

Soft

2. ............ is a synonym of soap.

Cleaner

Dirty

Dirtiness

Dirt

3. ............ isn't a synonym of soap.

Cleaner

Dirty

Cleanser

Detergent

4. In the 19th century, politicians would literally stand on ............ to give their speeches.

soap boxes

soap bokses

saop boxes

soap poxes

5. I never know how much ............ to put in the washing machine.

powder soap

soap powder

soap power

soab powder