Advertisements
Advertisements
प्रश्न
Draw a neat labelled diagram for the following experiment.
To prove that oxygen is non-combustible, but supports combustion.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Write the chemical name of Lime water
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
Give a brief account of the discovery of air and the scientists involved.
What will happen if the number of vehicles and factories in your surroundings increases?
While freezing, the ______ of water is lowered.
Water does not have a ______ but has definite ______ and ______.
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
| 3. | Nitrogen | c. | Windmill |
| 4. | Oxygen | d. | Atmosphere |
| 5. | Palm Trees | e. | 78% |
