Question

3) "Water is a compound and not a mixture.” List three reasons to justify this statement. ​

Answer 1

Answer:

Explanation:

(i) The two elements hydrogen (H) and oxygen (O) are combined chemically to form water (H2O) which boils at a fixed temperature. (ii) The properties of water are altogether different from the constituting elements. For example, molecular hydrogen (H2) is combustible and molecular oxygen (O2) supports combustion.

Answer 2

Explanation:

1. Water is formed by the chemical bond between 2 hydrogen and one oxygen atom.
2. A bond between atoms of water can be broken by chemical reaction. ...
3. Atoms of water cannot be separated by the physical process.
4. Hence, water is a compound because it can only be separated into hydrogen and oxygen atom by chemical reaction.

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