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# List - I List - IIa. Temperature of water e.273 Kat the bottom of a lakeb.γrof water is - ve f. 277 Kbetweenc. γr of water is positive g. above 277 Kd. Temperature of water h. 273K andjust below ice layer in 277 Ka Lakea- g, b-h, c-e, d-fa-h, b-e, c-f, d-ga-e, b-f, c-g, d-ha-f, b-h, c-g, d-e

A
a-h, b-e, c-f, d-g
B
a- g, b-h, c-e, d-f
C
a-e, b-f, c-g, d-h
D
a-f, b-h, c-g, d-e
Solution
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#### Water has maximum density at 4∘C=277K. Hence water at this temperature is settled at the bottom.Below this temperature, liquid water has negative coefficient of expansion. Hence as ice is melted, the volume of water initially decreases.

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