Which one of the following statements about glass is not correct?
A. Glass is often said to be a supercooled liquid
B. Glass has no definite melting point
C. Soda glass is harder than pyrex glass
D. Boron is present in pyrex glass
Answer: Option C
This Question Belongs to Chemistry GK Chapter Wise >> Chemistry In Everyday Life
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C. detergents give lather even with hard water
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