Question
Why is water considered as compound?
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Answer
Water is considered as compound because,
- Water is composed of two elements: $H _2$ and $O _2$.
- The ratio of Hydrogen and Oxygen by mass in any sample of pure water is the same.
- The properties of water are different from its constituent elements : Hydrogen and Oxygen.
- Water can be decomposed only by chemical methods into Hydrogen and Oxygen.
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