Assertion (A) : When a test tube containing sulphur (m.p. 387.5 K) at 455 K is inverted, nothing comes out. Reason(R) :Molten sulphur when come in con
Assertion (A) : When a test tube containing sulphur (m.p. 387.5 K) at 455 K is inverted, nothing comes out.
Reason(R) :Molten sulphur when come in contact with air
burns instantly to give `SO_2`
A. Both A and R true and R is the correct explanation of A
B. Both A and R true and R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
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Correct Answer - C
Reason. At about 455 K, molten sulphur suddenly becomes so viscous that nothing pours out when the test tube is inverted.
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