Give me the correct answer and in clear writting
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Give me the correct answer and in clear writting
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Answer:
which question do you want 1 or 2
firstly,
a physical change is a usually reversible change in the physical properties of a substance, as size or shape
and
a chemical change is usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
now coming to your question
(a) photosynthesis: chemical change
(b) dissolving sugar in water: physical change
(c)burning of coal: chemical change
(d) melting of wax: physical change
(e) beating aluminium to make aluminium sheet:
physical change.
(f) digestion of food: chemical change