Question

2. What are the characterstic properties of a pure
substance ? Why do we need them?​

Answer 1

Answer:

A pure substance has properties that are constant throughout the whole sample. This means that a pure substance will have a constant appearance, colour, density, melting point and boiling point throughout the sample.

Explanation:

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Answer 2

Answer:

The characteristics of pure substances are:-

• They are homogeneous
• They have a definite set of physical and chemical properties.
• They fave fixed Melting and boiling point.
• They have characteristics color, odour and taste( This can also be you answer)
• Pure substances cannot be broken into simpler substances by any physical means.

Explanation:

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