The soft drink bottles cool .......... in melting ice at $0^{0} C$ than water at $0^{0} C$

Better

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Worse

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Same

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Solution

The correct option is A Better
A melting ice can cool better than water at $0^{o} C$ because at this temperature water can absorb heat in form of specific heat while as ice has latent heat of absorption , which is very high.
Therefore, ice (which must melt before it can go above $0^{o} C$ ) must absorb much more heat to increase its temperature than water at $0^{o} C$ . In consequence, ice is far more effective as a cooling agent.

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0^{o} C

0^{o} C

The soft drink bottles are cooled by (i) ice cubes at $0^{o} C$ , and (ii) Iced-water at $0^{o} C$ . Which will cool the drink quickly ? Give reason.

0^{\circ} C

0^{0} C

0^{0} C

1 g

1 g

0^{0} C

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