Question

Pure silicon is used in the:
A.Paint industry
B.Textile industry
C.Electronics industry
D.Pharmaceutical industry

Answer 1

Hint: This question gives the knowledge about the element silicon and its properties. Silicon is the chemical element whose atomic number is $14$ and the chemical symbol of silicon is $Si$. Silicon is a tetravalent metalloid.

Complete answer:
Silicon is the chemical element whose atomic number is $14$ and the chemical symbol of silicon is $Si$. It is a member of group $14$.
Properties of silicon is as follows:
$1$. Silicon is a tetravalent metalloid.
$2$. Silicon is very hard and is crystalline in nature.
$3$. Silicon is very brittle in nature.
$4$. Silicon is a semiconductor.
$5$. Silicon is soluble in various alkalis and in hydrofluoric acid.
$6$. Silicon is lustrous in nature.
$7$. Silicon is greyish in color.
Uses of silicon is as follows:
$1$. Silicon is generally used as a foremost component in bricks and ceramics.
$2$. Silicon is a semiconductor. That’s why it is used in manufacturing transistors.
$3$. Silicon is used in manufacturing of solar cells and computer chips.
$4$. Silicon is generally used in manufacturing of fire bricks.
$5$. Silicon is a very important constituent of Portland cement.
$6$. Silicon is generally used as the main component in molding compounds.
From the above properties and uses of silicon it is clearly evident that pure silicon is used in the electronics industry.

Therefore, option $C$ is the correct option.

Note:
Always remember the concept that the silicon is the chemical element whose atomic number is $14$ and the chemical symbol of silicon is $Si$. Silicon is a tetravalent metalloid and belongs to the group $14$. It is very brittle in nature.