WAEC - Chemistry (2021 - No. 11)

Study the graphs below and use them to answer the question below

Study the graphs below and use them to answer the question below

Study the graphs below and use them to answer the question below

Which of the graphs illustrates the variation of the solubility of a salt in water (y-axis), with an increase in temperature (x-axis) if the dissolution process is exothermic?
I
II
III
IV

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