Fire produced by oil cannot be controlled by ______.

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Fire produced by oil cannot be controlled by water.

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Chapter 4: Chemistry in Daily Life - Evaluation [Page 79]

Chapter 4 Chemistry in Daily Life
Evaluation | Q II. 5. | Page 79

Burning of wood and coal causes ______ of air.

Explain how CO₂ is able to control fires.

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

When the clothes of a person catch ______ the person is covered with a ______ to extinguish fire.

State whether the following statement is True or False.

Carbon dioxide is an excellent fire extinguisher.

Write True/False against the following statement and also correct the false statement.

Water is the best extinguisher for fires involving electrical equipment.

What are the three essential requirements to produce fire? How fire extinguisher is useful for controlling the fire?

What are the classes of fire?

Give an example of class B fires.

Mention the conditions necessary for producing fire.