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Author Question: The properties of glass are modified by which approach? A) firing at higher temperatures B) ... (Read 49 times)

kwoodring

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on: Aug 27, 2018
The properties of glass are modified by which approach?
 
  A) firing at higher temperatures
  B) glazing at low temperatures
  C) adding various metal oxides
  D) substituting carbon dioxide for silicon dioxide

Question 2

As opposed to most solids, when glass is heated, it
 
  A) melts rapidly to a liquid over a narrow temperature range.
  B) goes directly into the gas phase; a process known as sublimation.
  C) separates into its individual components.
  D) gradually softens over a wide temperature range.


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mfedorka

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


kwoodring

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


mfedorka

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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