Potash-lead glass is a mixture of ___________(a) Calcium silicate and potassium silicate(b) Lead silicate and calcium silicate(c) Sodium silicate and potassium silicate(d) Lead silicate and potassium silicateI had been asked this question by my college director while I was bunking the class.Enquiry is from Glass topic in portion Glass, Lime, Clay Products & Bricks of Construction & Building Materials

Potash-lead glass is a mixture of ___________(a) Calcium silicate and

1.	Potash-lead glass is a mixture of ___________(a) Calcium silicate and potassium silicate(b) Lead silicate and calcium silicate(c) Sodium silicate and potassium silicate(d) Lead silicate and potassium silicateI had been asked this question by my college director while I was bunking the class.Enquiry is from Glass topic in portion Glass, Lime, Clay Products & Bricks of Construction & Building Materials
Answer» Right CHOICE is (d) Lead silicate and POTASSIUM silicate For explanation I would SAY: Potash-lead glass is a mixture of lead silicate and potassium silicate. It fuses very READILY and can be easily attacked by AQUEOUS solutions. The specific gravity of this glass is about 3-3.3.

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