मराठी

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

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प्रश्न

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

लघु उत्तर
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उत्तर

We know that air is present in water in the form of oxygen. Due to heating from the sunlight, the air that was dissolved in water started escaping. This escape of air resulted in tiny bubbles formed all around inside the water filled bottle.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Air Around Us - Short Answer Questions [पृष्ठ ९३]

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एनसीईआरटी एक्झांप्लर Science [English] Class 6
पाठ 15 Air Around Us
Short Answer Questions | Q 15. | पृष्ठ ९३

संबंधित प्रश्‍न

“Air is a mixture”. Support this statement citing at least three evidences.


Write fully balanced equation for the following :

CO2  +  H2O  →


Give the chemical name of rust.


Fill in the blank

The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.


Match the statements in List 1 with the correct answers in List 2

List 1 List 2
1 An impurity in air A Water vapour
2 The component of air which supports combustion B Respiration
3 The inert component in the air slightly soluble in water C Rare gases
4 The component of air which minimizes the rate of evaporation D Sulphur dioxide
5 The process which involves oxidation of food substance in living organisms E Helium
6 The component of air which finds application in observation balloons F Carbon dioxide
7 The process which involves oxidation of substances, liberating heat and light energy G Combustion
8 The component of air which is heavier than air and fairly soluble in water H Nitrogen
9 The process by which atmospheric carbon dioxide is absorbed by plants resulting in the formation of carbohydrates I Photosynthesis
10 The component of air which is lighter than air and less than 1% in air J Oxygen

Why is carbon-dioxide gas used to extinguish fire?


Write the percentage of the gases present in air.


Which of the following is true about oxygen?


How do astronauts breathe when they go beyond the earth’s atmosphere?


Nitrogen is about two times more soluble in water than oxygen.


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