Which is a chemical change?
o a. water boiling
o b. wood burning
oc. glass breaking
od. ice melting
e. molding iron

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

Sugar is dissolved in water. which is the solute? sugar neither both water