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What is saponification? Why does soap foam? How can you tell the difference between solid and liquid soap? Find out this and much more in the "Soap Erudite" quiz. 25 questions on soap chemistry and production await you. Each answer comes with an instant explanation and scientific fact. Basic chemical reactions. Composition and types of soap. Interesting facts for each question. Ideal for schoolchildren, chemistry students, and anyone who loves to learn about the world through science. Short, useful, and engaging! Download and become a true soap erudite!