Controlling the Fire

IMPORTANT

Controlling the Fire: Overview

This topic covers concepts, such as, Controlling of Fire, Work of Fire Brigade, Sodium Bicarbonate as a Fire Extinguisher & Potassium Bicarbonate as a Fire Extinguisher etc.

Important Questions on Controlling the Fire

EASY
IMPORTANT

Decomposition of potassium hydrogen carbonate releases_____ gas.

EASY
IMPORTANT

Oxygen gas is used for quenching fire.

EASY
IMPORTANT

The compound used to release the carbon dioxide near fire is:

EASY
IMPORTANT

Write a chemical reaction for the production of carbon dioxide from potassium carbonate.

EASY
IMPORTANT

Write a chemical reaction for the production of carbon dioxide from sodium bicarbonate.

MEDIUM
IMPORTANT

For fires involving electrical equipment and inflammable materials like petrol, carbon dioxide is the best extinguisher.

MEDIUM
IMPORTANT

Give a chemical reaction for the formation of carbon dioxide from sodium bicarbonate?

MEDIUM
IMPORTANT

Potassium bicarbonate is used in certain types of fire extinguishers.

EASY
IMPORTANT

The lowest temperature at which a substance catches fire is called its _____ .

EASY
IMPORTANT

If a person's clothes catches fire, the best way to extinguish the fire is to

HARD
IMPORTANT

Why is water not used to put out fire caused by oil? Give examples of some flammable things. 

HARD
IMPORTANT

Why is water not used to put out fire caused by electricity? 

EASY
IMPORTANT

Fire caused by a flammable oil is put off by _____.

MEDIUM
IMPORTANT

Never put off fire caused due to faulty electrical wiring with _____.

EASY
IMPORTANT

A fire extinguisher sprays foam or gas to cut off _____.

MEDIUM
IMPORTANT

Fill in the blank with an appropriate word:

The fire caused by electricity should be put off by _____ (Water/ Sand).

EASY
IMPORTANT

Name the device used for putting out a fire.    

MEDIUM
IMPORTANT

Give scientific reasons to explain why?
It is advisable to use a fire extinguisher to put out an electric fire.

EASY
IMPORTANT

When is water used to extinguish fire?

EASY
IMPORTANT

Explain the principle of fire extinguishing?