Question

in which of the following sentences are incorrect? *

(I) photosynthesis is a chemical change

(ii) Digestion of food is a chemical change

(iii) Formation of manure from leaves is a chemical change

(iv) Iron and rust are the same substance

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Answer 1

Answer:

option 4 is the answer

Explanation:

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Answer 2

Here is your answer:

(iv) Iron and rust are the same substance
This is the incorrect statement from the above

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