When Sodium carbonate $(N a_{2} C O_{3})$ reacts with Silica $(S i O_{2})$ , it gives:

Soda Glass

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Water glass

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Crook's glass

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Pyrex glass

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Solution

The correct option is B Water glass
When Sodium carbonate $(N a_{2} C O_{3})$ reacts with Silica $(S i O_{2})$ , it gives water glass. It is sodium silicate.
$N a_{2} C O_{3} + x S i O 2 \to (N a_{2} O) \cdot (S i O_{2})_{x} + C O_{2}$

Soda glass, also known as soda lime glass is obtained by fusing 75% $S i O_{2}$ with 15% $N a_{2} O$ and 10% $C a O$ .

To obtain pyrex glass, 60 to 80% $S i O_{2}$ is fused with 10 to 25% $B_{2} O_{3}$ and the remaining amount of $A l_{2} O_{3}$ .

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Similar questions

The constituents used in the manufacturing of different types of glasses are given below.

Silica( ${SiO}_{2}$ ), Sodium Carbonate ( ${Na}_{2} {CO}_{3}$ ), Calcium Carbonate ( ${CaCO}_{3}$ ), Potassium Carbonate( $K_{2} {CO}_{3}$ ), Boron Oxide ( $B_{2} O_{3}$ ), Alumina ( ${Al}_{2} O_{3}$ ) and Lead Oxide ( $PbO$ )

Choose the option/s that correctly matches the constituents and its use.

Q. When

S i O_{2}

is reacted with sodium carbonate, the gas liberated is :

S i O_{2}

is reacted with sodium carbonate. What is the gas liberated?

Q. What happens when

S i O_{2}

reacts with carbon?

Q. When sodium hydroxide reacts with carbon dioxide, it gives:

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When Sodium carbonate (Na2CO3) reacts with Silica (SiO2), it gives:

When Sodium carbonate $(N a_{2} C O_{3})$ reacts with Silica $(S i O_{2})$ , it gives: