How do we Control Fire?
Important Questions on How do we Control Fire?
When a lot of dry powder of a substance is released over a fire, the fire gets extinguished.
Name another substance which behaves like .(potassium salt)
(Potassium bicarbonate/Potassium chloride)
When a lot of dry powder of a substance X is released over a fire, the fire gets extinguished.
Write the chemical name of the substance X. (Sodium hydrogen carbonate / Sodium carbonate)
When a lot of dry powder of a substance X is released over a fire, the fire gets extinguished.
How does X extinguish the fire?
A lot of dry powder of one of the following chemicals can be released over a fire to extinguish it. This chemical is :
An electric spark is struck between two electrodes placed near each other in a closed tank full of petrol. Will petrol catch fire? Explain your answer.
The fire produced by burning oil cannot be controlled by _____.
If the clothes of a person working in the kitchen catch fire, then to extinguish the fire:
Which of the following statement is not correct about carbon dioxide acting as a fire extinguisher for electrical fires?
Explain how, carbon dioxide is able to control fires.
Which is the best fire extinguisher for fires involving electrical equipment and inflammable materials like petrol?
Name the most common fire extinguisher? (Wet chemical / Water)
If you see a person whose clothes are on fire, how will you extinguish the fire? Give reason for your answer.
How does pouring water extinguish a fire?
Describe one method of putting out a fire caused by burning wood or paper.
What does a Fire Brigade do when it arrives at a place where a building is on fire?
What is the first thing you should do if a fire breaks out in your house or neighbourhood?
A drum full of kerosene catches fire. What is the simplest way to put off this fire?
How is the fire caused by electricity extinguished?
How is the fire produced by burning oil (or petrol) extinguished?
Explain why, fire caused by electricity should not be extinguished by pouring water?
