What is rust? | Real Paper AI

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Maths -7 / Physical and Chemical Changes

QID: #31211

What is rust?

Choose Your Option

A. A reddish-brown layer of iron oxide formed on iron

B. A green layer formed on copper

C. A black coating on silver

D. A white powder on zinc

Solution & Explanation

No details explanation available for this question. Option A is the verified correct answer.

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