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Question
Define the terms elements, compounds & mixtures with a view to show their basic difference.
Solution
Element is a pure substance.
- It is the basic unit of matter and cannot be broken down into two or simpler substances by any means.
- It is mainly classified into metals, non-metals, metalloids, and noble gases.
The compound is a pure substance.
- It is formed by a combination of two or more elements.
- The elements are combined together in a fixed ratio.
- It can be broken down into its elements by chemical means.
The mixture is an impure substance.
- It is formed by a combination of two or more elements, compounds, or both.
- The substances are mechanically mixed together in any ratio.
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