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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.
विकल्प
atmosphere
troposphere
stratosphere
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उत्तर
The stratosphere is a layer which extends upto about 10-50 kms. above the earth.
संबंधित प्रश्न
Define the term smog.
What is air pollution ? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air ?
Classify Carbon dioxide. Also give a balanced equation to prepare it.
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
Carbon dioxide gas is ______ in nature.
Explain the following observations very briefly
Breathing through mouth may harm you.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Oxygen
