Which of these is not a physical change? (a) stretching a rubber band(b) melting of butter(c) burning of a piece of coal(d) changing of water into water vapour

Which of these is not a physical change? (a) stretching a rubber ban

1.	Which of these is not a physical change? (a) stretching a rubber band(b) melting of butter(c) burning of a piece of coal(d) changing of water into water vapour
Answer» B) BURNING of a PIECE of COAL

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Which of these is not a physical change? (a) stretching a rubber band(b) melting of butter(c) burning of a piece of coal(d) changing of water into water vapour​

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Which of these is not a physical change? (a) stretching a rubber band(b) melting of butter(c) burning of a piece of coal(d) changing of water into water vapour