Advertisements
Advertisements
प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
To prevent rusting, the underside of the ships is coated with __________________.
Advertisements
उत्तर
To prevent rusting, the underside of the ships is coated with red lead oxide paint.
APPEARS IN
संबंधित प्रश्न
Define the term acid rain.
State two differences between:
Rusting and burning.
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
The process by which oxidation of food in our body takes place is
What happens when Iron burns in oxygen ? Also give the balanced chemical equation for the reaction.
Write fully balanced equation for the following :
MgO + H2O →
State two most important conditions for rusting.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Name the catalyst used in the preparation and state it’s function.
Give the main experimental points only to demonstrate that candle-gains weight on burning.
Match the following
| 1. | Burning of meteors | a. | Exosphere |
| 2. | Weather change | b. | Stratosphere |
| 3. | Lowest temperature | c. | Mesosphere |
| 4. | Ozone layer | d. | Troposphere |
