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Solid StateClass 12thChemistryNcert Solutions Chemistry Class 12th

Given below are two statements. One is labelled as Assertion A  and the other is labelled as Reason R.

Assertion A: Sharp glass edge becomes smooth on heating it upto its melting point.

Reason R: The viscosity of glass decreases on melting.

Choose the most appropriate answer from the options given below.

Option 1 - <p><strong>A</strong> is false but <strong>R </strong>is true.</p>
Option 2 - <p>Both <strong>A </strong>and <strong>R </strong>are true but <strong>R </strong>is NOT the correct explanation of <strong>A.</strong></p>
Option 3 - <p><strong>A</strong> is true but <strong>R </strong>is false</p>
Option 4 - <p>Both <strong>A </strong>and <strong>R </strong>are true and <strong>R </strong>is the correct explanation of <strong>A.</strong></p>
1 Views|Posted 6 months ago
Asked by Shiksha User
1 Answer
A
6 months ago
Correct Option - 2
Detailed Solution:

Both statement are correct for the glass body heating, but reason is not correct explanation during heating process of glass, constituents unit rupture of glass body and gives the edge smoothness.

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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