Asked by Odesa

How could one lower the glass transition temperature of a germate (GeO2) glass? Select all possible ways.
i)Increase the cooling rate.
ii)Decrease the cooling rate.
iii)Add SiO2 to the glass melt.
iv)Add CaO to the glass melt.
Answered by Anonymous
I, III and IIII?
Answered by Chemistry ;)
I, III and IV is wrong ;)
Answered by anonymous
the correct is/are ?
Answered by Paul
Which one is/are the possible ways?
Answered by Jon
tried I and III, its not correct. It can be all, II, III and IIII or somthing else??
Answered by lena
2 and 4
Answered by Anonymous
Are u sure about 4?
Answered by Anonima
2 an 4 are correct
Answered by Odesa
Thank you Anonima



Answered by Paul
2 and 4 is right

ii)Decrease the cooling rate.
iv)Add CaO to the glass melt
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