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In case if the fire is in the laboratory (or in the place where there is a large amount of oil) we should not use water to put out the fire because doing so will not extinguish the fire because oil is lighter than water, so the oil will float on the surface. surface of the water, which kept the fire from going out. We should use sand or use CO gas to extinguish the fire. In addition, Baking soda or salt can handle small fires. Water should not be used to put out fires.
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