Question

An empty glass bottle is fitted with a narrow tube at itd mouth.the open end of the tube is kept in a beaker containaning water.when the bottle is heated,bubbles of air are seen escaping into the water.explain why

Answer 1

An empty glass bottle is fitted with a narrow tube at itd mouth.the open end of the tube is kept in a beaker containaning water.when the bottle is heated,bubbles of air are seen escaping into the water.explain why
Ans. empty glass bottle when fitted with a narrow tube at itd mouth.the open end of the tube is kept in a beaker containaning water.when the bottle is heated, bubbles of air are seen escaping into the water because on heating increase in volume and try to escape through the passage of the tube and escape through the water making it bubbling....
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Answer 2

Answer:

when the bottle is heated the air expands in the bottle and the air get transferred to the beaker containing water through the narrow tube and that is why the bubbles of air are seen escaping into water