Advertisements
Advertisements
प्रश्न
How is charcoal prepared? Explain why, charcoal is a better fuel than wood.
उत्तर
When wood is burnt in a limited supply of air, water and other volatile materials present in it are removed, and a black substance called charcoal is left behind.
Charcoal is a better fuel than wood for the following reasons.
1. Charcoal produces more heat on burning than an equal mass of wood.
2. Charcoal does not produce smoke while burning, whereas wood produces much smoke and causes air pollution.
3. Charcoal is a compact fuel that is easy to handle.
APPEARS IN
संबंधित प्रश्न
Coke is move valuable when used:
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
What is the main source of energy for Earth?
State the energy transformation in the following:
electricity is obtained from wind energy.
State four ways for the judicious use of energy.
What are semiconductors? Name two semiconductors.
What are environmental consequences of using fossil fuels?
Energy can neither be created nor destroyed but still, everybody discusses about the energy crisis because:
Which of the following is a non-renewable source of energy?
