Question

what will happen if a mixture of iron fillings and sulphur powder is heated strongly

Answer 1

If a mixture of iron filings and sulphur is heated strongly then a greyish-Black substance called iron sulphide is formed.

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Answer 2

When a mixture of iron filings and sulfur powder is heated it leads to a chemical change.

Explanation:

• The type of change in which the product is new with different properties is called as chemical change.
• In the given case, when the iron filings and sulfur powder is heated, it leads to the formation of a black color product called iron sulfide which is totally different from both the reactants involved in the reaction.
• As the product formed is new and is different from the reactants it is considered as chemical change.
• The chemical equation involved in the reaction is as follows:

$2 F e+3 S \stackrel{\Delta}{\rightarrow} F e_{2} S_{3}$

• As two reactants are combining and leading to the formation of one product, this chemical reaction is also called as a combination reaction.

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