Advertisements
Advertisements
प्रश्न
Complete the statement given below by filling in the blank with the correct word from the words given below
The ______ is a layer which extends up to about 10-50 km. above the earth.
पर्याय
atmosphere
troposphere
stratosphere
Advertisements
उत्तर
The stratosphere is a layer which extends upto about 10-50 kms. above the earth.
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Briefly state the importance of Nitrogen.
Briefly state the importance of Carbon dioxide.
What do you understand by the term polluted air?
Name three noble gases present in the air. State their one industrial use
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
Why do traffic assistants wear a mask on duty?
______ is necessary for all acids.
Metals like magnesium, iron, and sodium burn in oxygen and give basic ______.
Boojho 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.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
