Question

Because it causes of evaporation. The surface area is larger than the other Cup so able to sip hot tea or milk faster from a saucer rather than a cup

Answer 1

I think,This is a answer of some other question that you posted.

Answer 2

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Larger is the surface area more is the evaporation. Thus evaporation is faster in a saucer causing more cooling than in a cup. For this reason, we are able to sip hot tea or milk faster from a saucer than a cup

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