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Give an example to show how an undesirable change can be prevented

Posted by Anurag Tiwari 2 years ago

CBSE > Class 06 > Science (OLD)

1 answers

Anushaa Jagannathan 2 years ago

To prevent rusting of iron we can coat it by zinc and also we can paint on the iron surface. To prevent oxidation of foods we should add some chemical preservatives in it and we can also pack them in air tight containers.

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