Give examples of crystalline solids and polycrystalline solids.

  • A
    Crystalline: $NaCl$,$Quartz$; Polycrystalline: $Metals$
  • B
    Crystalline: $Glass$,$Rubber$; Polycrystalline: $Plastic$
  • C
    Crystalline: $Plastic$,$Glass$; Polycrystalline: $Quartz$
  • D
    Crystalline: $Rubber$,$Plastic$; Polycrystalline: $NaCl$

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Quartz is a crystalline variety of

Match the column $A$ (type of crystalline solid) with the column $B$ (example for each type).
$P$. Molecular solid$i$. $SiC$
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