Science, asked by haq3123, 3 days ago

After iron is heated what observation tells you the reaction has started.

Answers

Answered by poojashukla1911

Answer:

The signs that a chemical reaction occurs are: the glow, and the fact that a new substance (black iron sulfide) is formed which cannot be separated by using a magnet (see step 8 the demonstration procedure).

Explanation:

this is the answer

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