How does the meaning of pure substance different for a common man than to a chemist?
Answers
Answer:
For a chemist or a scientist, a pure substance means that the substance is made of only one kind of atoms. On the other hand, for a common person it means that they are pure and does not include any impurities. For example, when a person says that the air of this place is pure, he simply means that the air does not contain any impurities. Conversely, the scientists don't consider air to be pure as it is a mixture of many gases like oxygen, nitrogen, water vapour, argon etc.
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Answer:
A pure element or compound contains only one substance, with no other substances mixed in it. For a common man, pure substance means that it is not adulterated. But for a chemist any fruit juice is a mixture of water and several other substances. For a common man pure gold means gold of a given composition.