Advertisements
Advertisements
प्रश्न
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Advertisements
उत्तर
A candle burns in ajar of oxygen, but gets extinguished in nitrogen.
APPEARS IN
संबंधित प्रश्न
Why can’t we see air?
How is air useful to scooters and cars.?
Write ‘true’ or ‘false for the following;
Air is a compound.
What will happen if the amount of water vapour in the air increases.
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
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?
The composition of air is always exactly the same.
The process of conversion of iron into hydrated form of oxides is called _______.
