✔ Correct Answer: A. States of matter does not change during chemical reactions
The correct answer to the question “Which statement is incorrect about chemical reactions? States of matter does not change during chemical reactions, Chemical reactions produce new substances, Chemical reactions occur with the absorption or emission of energy, Chemical reactions may be fast, moderate or slow” is States of matter does not change during chemical reactions. This question belongs to Everyday Science. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.