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Q. |
Which variety of glass is heat resistant? |
A. | Hard glass |
B. | Flint glass |
C. | Pyrex glass |
D. | Bottle glas |
Answer» C. Pyrex glass | |
Explanation: Older clear-glass Pyrex manufactured by Corning, Arc International's Pyrex products, and Pyrex laboratory glassware are made of borosilicate glass. |
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