82.
The figure given above shows the
temperature (T)- time (t) plot when we start
heating a piece of naphthalene. The
temperature (T*) at the plateau of the curve
signifies
(a) boiling point of napthelene
(b) freezing point of napthelene
(c) melting point of mathelene
(d) the temperature when napthelene
undergoes a chemical change upon heating
83. A peice of paper and a rnin ho
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Answer:
(c) melting point of mathelene
Explanation:
The figure given above shows the temperature (T) – Time (t) plot when we start heating a piece of naphthalene. The temperature (T*) at the plateau of the curve signifies
boiling point of naphthalene.
freezing point of naphthalene.
melting point of naphthalene.
the temperature when naphthalene undergoes a chemical change upon heating.
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