Classify the given phenomena under at least three different types of changes: Forest fire, curdling of milk, rain, spoiling of food, breaking of your favourite toy, beating of aluminium to make foil, change in colour of iron in atmosphere, eating food, setting curd, drying plant
Answers
Answer:
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Explanation:
If the chemical composition is changing then it is a chemical change and if the chemical composition is remaining the same, then it is not a chemical change.
(a) Cutting of trees – Physical change
(b) Melting of butter in a pan – Physical change
(c) Rusting of almirah – Chemical change
(d) Boiling of water to form steam – Physical change
(e) Passing of electric current through water and the water breaking down into hydrogen and oxygen gases – Chemical change
(f) Dissolving common salt in water – Physical change
(g) Making a fruit salad with raw fruits – Physical change
(h) Burning of paper and wood – Chemical change
Answer:
If the chemical composition is changing then it is a chemical change and if the chemical composition is remaining the same, then it is not a chemical change.
(a) Cutting of trees - Physical change
(b) Melting of butter in a pan - Physical change
(c) Rusting of almirah - Chemical change
(d) Boiling of water to form steam -
Physical change
(e) Passing of electric current through water and the water breaking down into hydrogen and oxygen gases - Chemical change
(f) Dissolving common salt in water -
Physical change
(g) Making a fruit salad with raw fruits - Physical change
(h) Burning of paper and wood - Chemical change
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Explanation:
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