Statement I : During fire polishing of glass, glass is heated and then cooledStatement II : On heating the glass melts and on cooling the surface of the liquid tends to take the rounded shape at the edges which becomes smooth
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a
Statement I and II are correct
b
Statement I is correct and Statement II is incorrect
c
Statement I is incorrect and statement II is correct
d
Both statement - I and II are incorrect
answer is A.
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Detailed Solution
On heating the glass melts and on cooling the surface of liquid tends to take a round shape at the edges which becomes smooth.