Advertisements
Advertisements
Question
Forest fire produces a lot of air pollution. Write in brief about the reasons of forest fires.
Advertisements
Solution
Reasons of forest fires are:
- At high temperatures, sometimes dry grass catches fire, which spreads throughout the forest.
- Camp fire may also be a reason.
- Due to the spark of lightning from the sky.
- The use of fires by villagers to ward off wild animals.
- Fire lit intentionally by people living around forests for recreation.
- Fires started accidentally by careless visitors to forests. When they throw away lighted cigarettes in the forest.
- The friction of bamboos due to high wind velocity and rolling stones.
APPEARS IN
RELATED QUESTIONS
In an experiment 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.
Can the process of rusting be called combustion? Discuss.
In the presence of water, the ignition temperature of paper is ______.
How many types of combustion are there?
Which one of the following has the highest calorific value?
Which of the following is not a combustible substance?
State whether the following statement is True or False.
Magnesium is a non-combustible metal.
Write True/False against the following statement and also correct the false statement.
Alcohol, CNG and LPG are inflammable substances.
All combustion reactions are ______.
Write the characteristics of good fuel.
