Unit 6 · Chemical Reactions
Question Bank
Cambridge IGCSE Chemistry 0620 · 44 questions
Q7Chemical Reactions
Which is evidence of a chemical change?
(a)Sugar dissolves
(b)Ice melts
(c)A gas is given off and a new substance forms
(d)Water boils
Correct answer: (c) A gas is given off and a new substance forms
Related lesson
6.1 Physical and chemical changesChemical Reactions Tags