Discussion
State whether the following is true or false.
A glass with soda but no lime would dissolve slowly in water.
Answer: A
Correct answer: True
Soda-silica glass without lime is water glass, and it genuinely dissolves - it is sold as a solution for exactly that reason. Lime is what makes the composition durable, by binding the network against attack. Soda lime glass is therefore a three-part compromise: silica for the structure, soda so it can be melted, and lime so the result survives contact with water.
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