MCQ
Match the items in Column $I$ with its main use listed in Column $II$
Column $I$ Column $II$
$(A)$ Silica gel $(i)$ Transistor
$(B)$ Silicon $(ii)$ Ion-exchanger
$(C)$ Silicone $(iii)$ Drying agent
$(D)$ Silicate $(iv)$ Sealant
  • $(A) - (iii), (B) - (i), (C) - (iv), (D) - (ii)$
  • B
    $(A) - (iv), (B) - (i), (C) - (ii), (D) - (iii)$
  • C
    $(A) - (ii), (B) - (i), (C) - (iv), (D) - (iii)$
  • D
    $(A) - (ii), (B) - (iv), (C) - (i), (D) - (iii)$

Answer

Correct option: A.
$(A) - (iii), (B) - (i), (C) - (iv), (D) - (ii)$
a
$A - $ Silica gel packets are used to absorb moisture and keep things dry $i.e.$ as drying agent.
$B -$  Silicon is a semiconductor and is used in transistors.
$C -$  Silicone is used as sealant.
$D -$ Silicates are widely used in ion-exchange beds in domestic and commercial water purification, softening, and other applications

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