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Question
Why is water considered a compound?
Solution
Water is considered a compound because it is made of two elements hydrogen and oxygen combined in the ratio 1:8 by mass.
Mass ratio of elements H2O
H : O, 2 × 1 : 16 × 1 = 1 : 8
(Atomic mass of H = 1, O = 16)
Components of water cannot be separated by physical methods but can be separated by electrolysis of water.
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