Advertisements
Advertisements
प्रश्न
A fuel when used releases least amount of pollutants in the air.
विकल्प
sulphur dioxide
chlorofluorocarbon
smoke
CNG
Advertisements
उत्तर
CNG
APPEARS IN
संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Solution of carbon dioxide in water is called _________ acid.
Classify Water. Also give a balanced equation to prepare it.
Classify Calcium oxide. Also give a balanced equation to prepare it.
Give a reason why water droplets appear on the outer surface of a tumbler containing ice.
State the utility of oxygen for respiration in living organisms
State four different properties of a compound and a mixture.
What happens if the percentage of carbon-dioxide increases in the air?
Nitrogen is about two times more soluble in water than oxygen.
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?
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
