Advertisements
Advertisements
प्रश्न
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
उत्तर
- Because if we suck from ‘A’, lime water will be sucked out.
- Because if the air is sucked fast, lime water will also be sucked out.
- Lime water turns milky.
- The reason is the formation of CO2.
- Sulphur dioxide
संबंधित प्रश्न
“Air is a mixture”. Support this statement citing at least three evidences.
Complete and balance the following chemical equation.
\[\ce{HgO ->[heat]}\] ______ + _______
State the utility of oxygen for respiration in living organisms
Complete the statement given below by filling in the blank with the correct word from the words given
___________is an example of a pollutant present in the air.
Tabulate the various components of air, including the components with variable composition.
What happens if the percentage of carbon-dioxide increases in the air?
Air is made up of oxygen only.
Nitrogen is _______ than air.
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
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.