InterviewSolution
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InterviewSolution
| 1. |
What is substance ? |
| Answer» Substances are classified into two types. They are,Pure Substance: A substance which is made of one kind of particle.Examples - iron, aluminium, silver and gold.Mixtures: A substance which contains two or more different particles is known as mixtures.Example: Salt solution is made up of two components, salt and water. Therefore,salt solution is a mixture. Substances which are made of two or more matters and which can be separated by physical methods are known as mixtures, such as mixture of salt and water, mixture of sugar and water, mixture of different gases, air, etc. In a mixture, components do not combine chemically or through any chemical change. In a mixture, components do not lose their properties. | |