Garima observed that when she left her tightly capped bottle full of water in the open sunlight, tiny bubbles formed all around inside the bottle. Help Garima to know why it happened?

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When sunlight falls on a capped bottle full of water. Water gets heated and air dissolved in water starts to escape out from the bottle in the form of bubbles.

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Paheli kept some water in a beaker for heating. She observed that tiny bubbles appeared before the water started to boil. She boiled the water for about 5 minutes and filled it in a bottle up to the brim and kept the bottle airtight till it cooled down to room temperature.

(a) Why did the tiny bubbles appeared?

(b) Do you think tiny bubbles will appear on heating the water taken out from the bottle? Justify your answer

oojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.

(i) Bubbles of air came out from the bottle.

(ii) Some water entered the bottle.

(iii) Nitrogen gas came out in the form of bubbles and oxygen gets dissolved in water.

(iv) No bubbles formed, only water entered the bottle

Which observations is/are correct?

During summer, Kavita carries water in a transparent plastic bottle to her school. One day, she left her bottle in the school. The bottle still had some water left in it. The following day, she observed some water droplets on the inner surface of the empty portion of the bottle. These droplets of water formed due to ____.

We go high in the sky in aeroplane and take a water bottle and after drinking all the water, we close the water bottle very tightly. After reaching on ground what happens to water bottle and why?

John and Sam were playing with empty bottles, John took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.

(i)Water did not enter the bottle when it was in inverted position.
(ii)Bubbles of air came out from the bottle as soon as it was tilted.
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Which observations is/are correct?

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Garima observed that when she left her tightly capped bottle full of water in the open sunlight, tiny bubbles formed all around inside the bottle. Help Garima to know why it happened?​

When sunlight falls on a capped bottle full of water. Water gets heated and air dissolved in water starts to escape out from the bottle in the form of bubbles. ​

Garima observed that when she left her tightly capped bottle full of water in the open sunlight, tiny bubbles formed all around inside the bottle. Help Garima to know why it happened?

When sunlight falls on a capped bottle full of water. Water gets heated and air dissolved in water starts to escape out from the bottle in the form of bubbles.