1.

Two samples of sulphur are heated separately startirig at 60^@C. One sample is found to melt at 114^@C and the other one melts at 119^@C. How do you account for this

Answer»

Solution :(i) Allbtropes of SULPHUR.
(ii) STABILITY of allotropes at different temperatures.
(iii) Comparison of melting points of different allotropes.
(iv) Pattern of HEATING to be employed.
(V) Effect of pattern of heating on the allotropic TRANSFORMATION.


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