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प्रश्न
Give reason:
When water is heated, we see bubbles rising up.
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उत्तर
These bubbles come from the air dissolved in water. The marine life uses air dissolved in water.
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संबंधित प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
Briefly state the importance of Water vapour.
Name three noble gases present in the air. State their one industrial use
Give the chemical name of rust.
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
______ present in the air is needed for respiration.
Nitrogen is essential for burning.
When air is moving with cool and soothing, it is called a cyclone.
______ is responsible for making clouds.
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
