Question

The fire produced by oil cannot be controlled by___________.

Answer 1

• Water$\left({\mathrm{H}}_2\mathrm{O}\right)$ cannot put off fire produced due to burning petrol and oil because water is heavier than oil.
• It settles down or sinks below the oil particles and cannot bring the ignition temperature of the substance down or cannot cut off the supply of air to the fire.
• Hence, oil keeps on burning on the top.
• Carbon dioxide$\left({\mathrm{CO}}_2\right)$ is the best fire extinguisher to put out fires caused by inflammable materials like oil and petrol and electrical equipment.

Therefore, the fire produced by oil cannot be controlled by water.