Science, asked by ishika603, 3 months ago

Which among the following is not a chemical change?

Decomposition of water into hydrogen and oxygen

Magnetizing a compass needle.

Rusting of iron.

Fermentation of substances​

Answers

Answered by Alaska1920
0

magnetizing a compass needle is not a chemical change because it will be demagnetized after sometime

note: chemical change is permanent

Answered by supriya1977s
0

Answer:

The synthesis (forming) of water (H2O) fromhydrogen gas (H2) and oxygen gas (O2) is another example of chemical change. ... Thechemical bonds between O in O2 and between H in H2 are broken and new bonds between H and O (to form H2O) are formed.

Explanation:

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