Since new substances are formed in chemical changes, Lighting a Match is a chemical change., option B.
What is a chemical change?
A chemical change refers to a change which is not easily reversible and in which new substances are formed.
In chemical changes, large amounts of heat is involved and changes in the mass of the original substance may occur.
Examples of chemical changes are combustion of substances, oxidation of substances, etc.
From the given options, the change which involves great heat changes and in which new sure are formed is Lighting a match.
Therefore, Lighting a match describes a chemical change, option B.
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