Advertisements
Advertisements
प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
विकल्प
True
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
A fuel when used releases least amount of pollutants in the air.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Sulphur dioxide gas dissolves in water to form ___________ acid.
Give the chemical name of rust.
Fill in the blank
The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.
Name the following:
The product formed when phosphorus burns in oxygen.
Give word equation for the following conversion:
Nitrogen dioxide to nitric acid
Explain why mountaineers carry oxygen cylinders with them?
List out the uses of carbon dioxide.
______ is necessary for all acids.
Observe the picture given in Fig. carefully and answer the following questions.

Can you comment on the air quality of the place shown in Fig?
