Which of the following is a chemical change?

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+5, ask questions & climb the leaderboard!

A Burning of paper
B Folding of paper
C Melting of ice
D Heating of water

Show answer and explanation

Answer: A. Burning of paper

Burning of paper is a chemical change because new substances (ash, smoke, gases) are formed and it cannot be reversed. Folding, melting and heating water are physical changes.

Answering after opening this box earns no Practice Points.

3 answered 100% got it right

Rules for asking and answering

Which of the following is a chemical change?

More questions like this