Advertisements
Advertisements
प्रश्न
Match the following
| 1. | Moving Air | Photosynthesis |
| 2. | Layer in which we live | Troposphere |
| 3. | Stratosphere | Wind |
| 4. | Oxygen | Ozone layer |
| 5. | carbon-di-oxide | Combustion |
Advertisements
उत्तर
| 1. | Moving Air | Wind |
| 2. | Layer in which we live | Troposphere |
| 3. | Stratosphere | Ozone layer |
| 4. | Oxygen | Combustion |
| 5. | carbon-di-oxide | Photosynthesis |
APPEARS IN
संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Tick (√ ) the most appropriate answer.
Magnesium burns with a dazzling white flame to form magnesium oxide, a powdery mass. The colour of magnesium oxide is :
Define the following:
Combustion.
Fill in the blanks
Plants and animals maintain the balance of carbon ___________and _________ in the air.
Name the following:
The product formed when phosphorus burns in oxygen.
List out the uses of carbon dioxide.
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
Composition of the component of air ______ from place to place.
The composition of air changes slightly from place to place. Give examples.
A ______ gas that is used to remove carbon impurities from the steel.
