Manu was heating oil to fry potato chips. The cooking oil all of a sudden caught fire, he poured water to extinguish the fire. Do you think this action was suitable? If yes, why? If not, why not? In such a condition what should Manu have done?

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Solution

Oil is lighter than water. When one will pour water on burning oil, it'll settle down at the bottom of the vessel.

Hence, Manu’s action is not suitable as the oil will float on the water and the fire will continue burning. So, this action was not suitable.

In such a condition pouring soil or sand may help to extinguish the fire as they reduce the flow of air.

The soil particles will cut off the supply of air to the source and the fire will be extinguished.

This happens because the flow of oxygen stops and without oxygen, combustion is not possible.

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Burning And Combustion

Standard VI Chemistry

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Manu was heating oil to fry potato chips. The cooking oil all of a sudden caught fire, he poured water to extinguish the fire. Do you think this action was suitable? If yes, why? If not, why not? In such a condition what should Manu have done?​

Manu was heating oil to fry potato chips. The cooking oil all of a sudden caught fire, he poured water to extinguish the fire. Do you think this action was suitable? If yes, why? If not, why not? In such a condition what should Manu have done?