The thing about a chemical change is that at least one new substance is formed. Only one of these statements is unequivocally a chemical change.
Jan S.
asked • 10/05/20Chemistry plz help
A student was asked to formulate a hypothesis about what would happen if 100.mL of 0.1MNaOH(aq) at 25°C was combined with 100.mL of 0.1MMgCl2(aq) at 25°C . Which of the following hypotheses indicates that the student thought a chemical change would occur?
a. The volume of the resulting solution will be equal to the sum of the volumes of the original solutions.
b The mass of the resulting solution will be equal to the sum of the masses of the original solutions.
c The resulting solution would contain a precipitate.
d The resulting solution will be clear.
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Jan S.
So the answer would be d right since changing color is a chemical change.10/05/20