Question

(b) Read the statements given by Riya, Jyoti, Rupal and Tina respectively. Can you figure out which
one of the statements is incorrect? Justify your answer.
Riya: The blacksmith heats the metal rim before fitting it on the wheel of the cart.
Jyoti: Gaps are deliberately kept between railway tracks so that the derailment of the train is
prevented.
Rupal: Cooked dal is an example of reversible change.
Tina: Just like solids and liquids, gases too expand when heated.​

Answer 1

Explanation:

Rupal is incorrect

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