Question

Give two reasons for supposing that water is a compound and not a mixture.

Answer 1

Water is a compound can be supported by the following facts:

1) Its constituents Hydrogen and oxygen are always present in the same ratio as 2:1(H2O)

2) Its properties are different from its constituent elements(hydrogen and oxygen)

3) Its constituents cannot be separated by simple physical means but requires chemical methods and it has a fixed boiling point.