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What extinguishes a fire most quickly...

What extinguishes a fire most quickly

A

Cold water

B

Boiling water

C

Hot water

D

Ice.

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT PHENOMENA)-QUESTION BANK
  1. Which of the following has highest specific heat ?

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  2. Specific heat of a gas undergoing adiabatic change is

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  3. What extinguishes a fire most quickly

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  4. Steam is passed into 54gm of water at 30^@C till the temperature of mi...

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  5. One gram ice is mixed with one gram of steam . After thermal equilibri...

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  6. 100 gm of ice at 0^@c is mixed with 100gm of water at 100^@C . What wi...

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  7. Heat H produced when mechanical work W is done, they are related by

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  8. Which of the following produces more sever burns

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  9. A bullet of mass 10 gm moving with a velocity 210 ms^(-I) is suddenly ...

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  10. What is change in internal energy when 1 gm ice at 0^@C is converted i...

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  11. A metal scale is graduated at 0^@C . What would be the true length of ...

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  12. A steel rod when measured with a zinc scale (alpha = 26 xx 10^(-6)//^@...

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  13. A steel tyre is 1 m in diameter at 10^@C . To what temperature it must...

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  14. A metal sphere 10.01 cm in diameter is placed on a brass ring of inter...

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  15. A rod A and a rod B of different materials differ in length by 5 cm at...

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  16. Railway lines are laid with gaps to allow for expansion . The gap betw...

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  17. An iron plate has a circular hole of diameter 10 cm . Find the diamete...

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  18. How much heat is required to raise the temperature of 240 gm of gold f...

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  19. A 75 gm block of copper taken from a furnace is dropped into a 300 gm ...

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  20. Equal volumes of mercury and glass have the same heat capacity . Calcu...

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