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79. In Vander Waal’s equation a and b represent

[P+(a/V2)][v-b]=RT

(a) Both a and b represent correction in volume

(b)  Both a and b represent adhesive force between molecules

(c)   a represents adhesive force between molecules and b correction in volume             

(d) a represents correction in volume and b represents adhesive force between molecules

Answer-c

(5)

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