Question

Explain whether the addition of dilute sulphuric acid to iron is a physical or chemical
change​

Answer 1

Mixing iron filings with sulfur is considered to be a physical change because the mixture can be easily separated and no new substance is formed. Moreover, no energy changes occur while mixing iron and sulfur. When the mixture is heated, the two substances combine to form a new substance known as ferrous sulphide.

Answer 2

Answer:

Mixing iron filings with sulfur is considered to be a physical change because the mixture can be easily separated and no new substance is formed. Moreover, no energy changes occur while mixing iron and sulfur. When the mixture is heated, the two substances combine to form a new substance known as ferrous sulphide.

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