What is meant by a substance?
Answers
A substance is matter which has a specific composition and specific properties.
Every pure element is a substance. Every pure compound is a substance.
Examples of substances:
Iron is an element and hence is also a substance. Methane is a compound and hence is also a substance.
Examples of non-substances:
Salt water is not a substance. It is a mixture of two substances - sodium chloride and water. Its composition and therefore its properties are not fixed. Gasoline is not a substance. It is a mixture of hydrocarbons and, depending on the composition of the gasoline mixture, gasoline's properties can vary.
Answer:
Definition of Substance. A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
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