Which of the following are physical changes and which are chemical changes? Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper

Question

Philoid · Accepted Answer

Physical changes- Melting of candle wax, Mixing of iron filings and sand, Breaking a piece of chalk, Cutting a piece of paper

Chemical changes- Burning of candle wax, Burning of wood, Burning a piece of paper.

Which of the following are physical changes and which are chemical changes?Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper

Which of the following are physical changes and which are chemical changes?
Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper