Question

Q2. The given graph shows the heating curve for a pure substance,the temperature rises with time as the
substance is heated :
(a) What is the physical state of the substance at the points A, B, C and D?
(b) What is the melting point of the substance
(c) What is its boiling point ?
(d) What happens to the temperature while the substance is changing state?
(e) The substance is not water. How can you judge from the graph ?​

Answer 1

Answer:.

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Explanation:

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a) b and d are transition phases

Answer 2

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