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- 1. Multiple Choice
The amount of heat which is used to change the state of matter not for increase the temperature is called
Latent heat
Specific heat
Heat capacity
None of the above.
- 2. Multiple Choice
Which of the following will produce severe burns ?
Cold water
Hot water
Boiling water
Steam
- 3. Multiple Choice
In which form, do the water molecules have less kinetic
energy?
(a) Ice
(b) Water
(c) Steam
(d) All of them have equal kinetic energy
- 4. Multiple Choice
At what temperature liquid water and steam co-exist?
At the melting point of ice
At the boiling point of water
At the freezing point of water
At the condensation point
- 5. Multiple Choice
Melting point of ice is
273.16K
373.15K
100°C
250.18K
- 6. Multiple Choice
When a solid is heated it's particles begin to vibrate with energy
true
false
- 7. Multiple Choice
Latent heat of vapourisation is amount of
heat energy required to change 1 kg liquid into vapours completely at its melting point.
heat energy required to convert 1 kg solid into liquid at room temperature
heat energy required to change 1 kg liquid into vapours completely at its boiling point.
heat energy required to change 1 kg of solid into liquid at any temperature.
- 8. Multiple Choice
which of the following is matter
air
stone
cloud
all of them
- 9. Multiple Choice
the 'panch tatva' or five basic elements are air,water,fire,earth and ___________?
trees
animals
sky
moon
- 10. Multiple Choice
do you think particles of matter have spaces between them?
yes
no
- 11. Multiple Choice
do you think the particles of matter are continuously moving?
yes
no
- 12. Multiple Choice
as the temperature rises, particles of matter move
fast
slow
not effected
none of them
- 13. Multiple Choice
intermixing of two different types of matter on their own is called:
fusion
diffusion
vaporisation
condensation
- 14. Multiple Choice
Do particles of matter attract each other
Yes
No
- 15. Multiple Choice
Which of the following has minimum kinetic energy ?
Particles of ice below 0 °C
Particles of water at 0 °C
Particles of water at 100 °C
Particles of steam at 100 °C
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