Advertisements
Advertisements
प्रश्न
What do you observe when Ice cold water is filled in a glass tumbler.
Advertisements
उत्तर
We will observe that fine water droplets get deposited on the outer wall of the glass tumbler.
APPEARS IN
संबंधित प्रश्न
Define the term Global warming.
Suggest five measures to prevent air pollution.
Classify Water. Also give a balanced equation to prepare it.
Give reason:
A burning candle stops burning if covered with a glass tumbler
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
______ is the main component of air.
“Air is not an elementary substance, but a composition”. Why?
______ gas is essential for the proper growth of all plants.
Match the following
| 1. | Nitrogen | a. | Acid rain |
| 2. | CO2 | b. | Global warming |
| 3. | Melting of glaciers | c. | Volcanic gases |
| 4. | Corrosion of bridges | d. | Aerated drinks |
State whether the following statement is true or false. If false, correct them.
Air helps in the movements of sailing yachts and gliders but plays no role in the flight of birds and aeroplanes.
