Chemistry

21 April, 18:33

Which of the following is an example of a chemical change?

A.

Flour and sugar are sifted together into a measuring cup.

B.

A mixture of flour, sugar, eggs, and butter is baked to become a cake.

C.

The shell of an egg breaks when it is struck against a hard surface.

D.

Chocolate squares are melted to make cake icing.

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