Fire is extinguished more effectively by

  • A

    Hot water

  • B

    Cold water

  • C

    Equally by both

  • D

    Ice

Similar Questions

On a hot day, placing a cup full of ice water on the table heats up as cup of hot tea on the same table cools down. write the reason.

A given mass $m$ of a hypothetical solid is supplied with heat continuously at a constant rate and the graph shown in the adjacent figure is plotted. If $L_f$ and $L_v$ are latent heats of fusion and latent heats of vaporization and $S_l$ and $S_s$ are specific heats of liquid and solid respectively. It can be concluded that 

The saturation vapour pressure of water at $100°C$ is ........ $mm$ of mercury

A closed bottle containing water at $30°C$ is carried to the moon in a space-ship. If it is placed on the surface of the moon, what will happen to the water as soon as the lid is opened

$2\;gm$ of steam condenses when passed through $40gm$ of water initially at $25^oC.$ The condensation of steam raises the temperature of water to $54.3^oC.$ What is the latent heat of steam ........... $cal/g$