Advertisements
Advertisements
प्रश्न
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
Advertisements
उत्तर
Rusting is a chemical reaction which involves slow oxidation.
APPEARS IN
संबंधित प्रश्न
Match the following :
| Column A | Column B |
| (a) Global warming | 1. Hydrated ferric oxide |
| (b) Acid rain | 2. Manganese dioxide |
| (c) Rust | 3. Carbon dioxide |
| (d) Catalyst | 4. Methane |
| (e) Photosynthesis | 5. Nitrogen Dioxide |
What do you observe when a beam of light is allowed to enter in a closed dark room through a small hole.
Define rusting?
Name two air pollutants which cause global warming.
State four steps to be taken to control air pollution.
Name three greenhouse gases.
Describe a simple experiment with the help of a diagram to show that Air has mass
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
Name a device which uses wind energy to generate electricity.
In a number of musical instruments, air plays an important role. Can you name some such instruments?
