Question

suggest 3 reasons why you think air is a mixture and water is a compound

Answer 1

Air is a mixture because:

1) Its components vary from place to place

2) Its components continue to vary

3) Its components can be seperated by physical means

Water is a compound because:

1) Its components are bound together chemically

2) Its components always occur in a fixed proportion -- be it tap water, sea water, etc.

3) Its components cannot be seperated by physical means.

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