The pudding is placed in a very hot oven until the top of the egg whites turns brown. It is then removed from the oven. Why does the ice-cream stay cold?
A) Air is a good conductor of heat and conducts the heat away from the ice cream.
B) Air is a poor conductor of heat and stops the heat from reaching the ice cream.
C) The metal dish is a good conductor of heat and conducts the heat away from the ice cream.
D) The metal dish is a poor conductor of heat and stops the heat from reaching the ice cream.
Correct Answer: B
Solution :
The air bubbles trapped in the egg whites is a poor conductor of heat, and stops the heat from being conducted to the ice cream.
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