Physics · Properties of Matter
Water should not be used to extinguish a petrol fire because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Water provides oxygen molecules that accelerate the combustion of petrol.
- 2Petrol has a lower density than water, so it floats on water and continues to burn.✓
- 3Burning petrol instantly converts water into steam, causing an explosion.
- 4The mixture of petrol and water creates a highly explosive chemical.
Correct answer
Petrol has a lower density than water, so it floats on water and continues to burn.
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