Advertisements
Advertisements
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?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Write down the composition of three main gases present in air by volume.
Give reason:
When water is heated, we see bubbles rising up.
What are the two necessary conditions for rusting of iron?
Mention one necessary condition for the combustion to take place.
List out the uses of carbon dioxide.
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
Oxygen is used to oxidize ______.
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Mountaineers carry oxygen ______ with them, while climbing high mountains.
On a Sunday morning Paheli’s friend visited her home. She wanted to see some flowering plants in the nearby garden. Both of them went to the garden. While returning from the garden they also observed some flowering plants on the road side. But to their surprise they found that the leaves and flowers of these roadside plants were comparatively very dull. Can you help them to know why?
