Classify the given materials based on the property of lustre.
Iron rod, gold coin, charcoal, wooden scale, copper wire, silver bar, sulphur powder, phosphorous powder, aluminium container.

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Solution

The ability of a material to shine is called lustre.
Based on lustre, materials can be lustrous or non-lustrous. Generally, metals are lustrous in nature whereas, non-metals are not.

$\begin{matrix} L u s t r o u s & N o n - l u s t r o u s I r o n r o d & C h a r c o a l G o l d c o i n & W o o d e n s c a l e C o p p e r w i r e & S u l p h u r p o w d e r S i l v e r b a r & P h o s p h o r o u s p o w d e r A l u m i n i u m c o n t a i n e r \end{matrix}$

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Classify the given materials based on the property of lustre. Iron rod, gold coin, charcoal, wooden scale, copper wire, silver bar, sulphur powder, phosphorous powder, aluminium container.

Classify the given materials based on the property of lustre.
Iron rod, gold coin, charcoal, wooden scale, copper wire, silver bar, sulphur powder, phosphorous powder, aluminium container.