Chemistry, asked by irfaannn17, 11 months ago

changes that are harmful to us are known as​

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Answered by Anonymous
11

Answer:

Changes that are useless and harmful to us are called Undesirable changes.....

Answered by anamkhurshid29
7

HEYA MATE YOUR ANSWER IS

Changes that are harmful are undesirable changes for e.g

¶ Rusting on metal objects as it deteriorates the metal surface and decreases the efficiency of it.

¶ Rancidity of food items which spoil the foodstuff as it is an oxidation process of food items that spoil the food permanently

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