Question

Name the changes in the terms of processes P, Q, R and S. (b) Which of the changes are exothermic and endothermic?

June 25, 2024

Answer

(a) ‘P’ is fusion (melting), ‘Q’ is boiling, ‘R’ is condensation and ‘S’ is sublimation.

(b) ‘P’, ‘Q’ and ‘S’ are endothermic and ‘R’ is exothermic.

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