Advertisements
Advertisements
प्रश्न
Define the term smog.
उत्तर
Smog : Oxides of nitrogen form a mixture of smoke and fog known as smog which affects our eyes too.
APPEARS IN
संबंधित प्रश्न
Classify Water. Also give a balanced equation to prepare it.
Write fully balanced equation for the following :
CO2 + H2O →
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Photosynthesis is a process by which green plants prepare their own food in the presence of sunlight and chlorophyll.
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
Air is a mixture of many _______.
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
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
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.
