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Question
Statement: When a liquid is boiled, the temperature remains the same until all of the liquid becomes a gas.
State whether the given statement is true or false.
Statement: When a liquid is boiled, the temperature remains the same until all of the liquid becomes a gas.
State whether the given statement is true or false.
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Solution
The correct option is A True
When boiling occurs, the more energetic molecules change to a gas, spread out, and form bubbles. These rise to the surface and enter the atmosphere. It requires energy to change from a liquid to a gas. In addition, gas molecules leaving the liquid to take away heat energy. Therefore the temperature of the liquid remains constant during boiling. For example, water will remain at 100ºC (at a pressure of 1 atm or 101.3 kPa) while boiling.
Hence the given statement is true.
When boiling occurs, the more energetic molecules change to a gas, spread out, and form bubbles. These rise to the surface and enter the atmosphere. It requires energy to change from a liquid to a gas. In addition, gas molecules leaving the liquid to take away heat energy. Therefore the temperature of the liquid remains constant during boiling. For example, water will remain at 100ºC (at a pressure of 1 atm or 101.3 kPa) while boiling.
Hence the given statement is true.
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