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

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure?2 Marks
Question
Classify the following into elements and compounds:
  1. $H_2O$
  2. $He$
  3. $Cl_2$
  4. $CO$
  5. $Co$
✓

Answer

  1. $H_2O$: Compound
  2. $He$: Element
  3. $Cl_2$: Element
  4. $CO$: Compound
  5. $Co$: Element

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