An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. The reason for this is

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Solution

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.

i.e Volume expansion of air is the reason for this.

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Similar questions

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0.8

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Q. An experiment is conducted. An empty flask is taken and clamped in an upside-down position over a beaker of water in such a way that the glass tube dips inside the beaker. The flask is heated at the top. Bubbles of air are observed in the water.
What accounts for the bubbles in the water ?

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An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. The reason for this is

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. i.e Volume expansion of air is the reason for this.

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.

i.e Volume expansion of air is the reason for this.