Give two reasons to prove that water is a compound and not an element.

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Solution

Two important reasons to prove that water is a compound and not an element are :
1. Water's melting point and boiling point varies according to external pressure, volume and temperature. This implies that it is a compound and not an element as for the latter, all of it's properties remain the same under any condition.
2. Water is stable at normal conditions. This is unlike elements which tend to be reactive.

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