Chemistry, asked by stealthninjax7, 9 months ago

Preethi fixed charts with board pins in the bulletin
board.After two months she noticed that the charts are torn
and the board pins also changed its colour. Explain.

Answers

Answered by swastikash
1

Answer:

Rust (Corrosion)

Explanation:

The board pins are made of iron ( Fe ) but after sometime there Oxygen and moisture in the air reacts with it and forms Rust ( Fe2O3 ). That is why it also changes colour.

Hope this helps :)

Answered by yadavrekha696
1

Answer:

They could be torn because of wind or any Strom and their colour would have been because of sunlight

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