Advertisements
Advertisements
प्रश्न
State two differences between:
Rusting and burning.
Advertisements
उत्तर
Difference between rusting and burning
| Rusting | Burning |
|
|
APPEARS IN
संबंधित प्रश्न
A metal highly resistant to rusting.
Write ‘True’ or ‘False’ in front of following statement.
Nitrogen is a gaseous non-metal essential for respiration.
Write ‘True’ or ‘False’ in front of following statement.
The rust formed on the surface of iron easily crumbles.
Tick (√ ) the most appropriate answer.
Galvanising is the process of coating iron with a layer of molten :
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Oxygen of the air is utilised for ‘combustiop’ and for ‘respiration’. Compare the two with a suitable examples.
Distinguish between:
Combustion and Respiration
Give the main experimental points only to demonstrate that magnesium.
Give reason for the following:
Acid rain has caused damage to heritage structures such as the Taj Mahal.
Match the following
| 1. | Burning of meteors | a. | Exosphere |
| 2. | Weather change | b. | Stratosphere |
| 3. | Lowest temperature | c. | Mesosphere |
| 4. | Ozone layer | d. | Troposphere |
