Question

Which of the following acts as fusion agent in composition of glass?

a) Cullet

b) Soda ash

c) Lime stone

d) Sand​

Answer 1

Cullet acts as a fusion agent in the composition of glass.

What is glass?

• Glass is a heterogenous compound and is made up of raw material such as limestone (calcium carbonate/CaCO3),  sand (silicon dioxide/SiO2), and sodium carbonate (Na2CO3).
• It consists of small grains of quartz which is melted at high temperatures.
• Glasses made form silicon are also called silicate glasses.

So, the correct asnwer is cullet.

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