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प्रश्न
A substance is heated at a constant rate from a low temperature to a high
temperature. A graph of temperature against time is drawn and is shown in
fig. . Which part of parts of the graph corresponds to the substance existing
in two states?
विकल्प
All of it
OA, BC and DE
AB and CD
DE
CB
MCQ
उत्तर
AB and CD
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
