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Is Matter Around Us Pure ? — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?2 Marks
Question
Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
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Answer

Hydrogen and oxygen cannot be split up into two or more simpler substances by applying heat, light or electric energy. Whereas, water can be split up into hydrogen and oxygen by applying electric energy, so it is not an element.

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