Question

The reaction between Iron filings and Sulphur powder is an example of _______

Answer 1

A chemical reaction is a process that results in the chemical change of one set of chemical substances into another set of chemical substances. Chemical reactions are often defined as changes in the locations of electrons in the formation and breaking of chemical bonds between atoms, with no change in the nuclei (no change in the elements present), and may be represented using a chemical equation.

Complete answer:
A reaction in which two or more elements or compounds (reactants) combine to produce a single compound is known as a combination reaction (product). Equations of the type $X+ Y \rightarrow XY$ are used to express such reactions. A combination reaction is when two or more components are combined to produce a single compound. To put it another way, when two or more elements or compounds react to produce a single compound, the chemical reaction is known as a combination reaction.
Sulphur and iron filings are both components that combine to produce iron sulphide. It's a combined reaction and a chemical change. When iron filings and sulphur powder are combined and heated, a chemical reaction occurs, resulting in ferrous sulphide (FeS). It's a brand-new chemical with characteristics that aren't seen in Fe or S. As a result, heating a powdered iron and sulphur combination results in a chemical change.
${\text{Fe + }}{\text{S}} \to {\text{FeS}}$

Note:
The chemical compound and mineral iron(II) sulphide has the approximate formula FeS and belongs to the iron(II) sulphide family. Non-stoichiometric iron sulphides are frequently iron-deficient. All of the solids are black and insoluble in water.