Do you know which of the following statements is incorrect.
Cutting of log of wood into pieces is a physical change
Limewater turns milky on passing CO2 through it
Hydrogen gas is produced when acetic acid is added to a solution of a sodium hydrogen carbonate
Explosion of firework is a chemical change
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Explanation:
Answer:
Physical Changes: -
Dissolving sugar in water
Melting of wax
Beating Aluminium to make Aluminium foil.
Chemical Changes:-
Photosynthesis
Burning of Coal
Digestion of food
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