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

Rajasthan BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?2 Marks
Question
Classify the substances given in into elements and compounds:
✓

Answer

Elements
Compounds
$Cu$
Sand
$O_2$ $\ce{H_2O}$
$Zn$ $\ce{CaCO_3}$
$F_2$ $\ce{NaCl(aq)}$
$Hg$
 
Diamond$($Carbon$)$
 
Wood is neither an element nor compound. It is a mixture.

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