HEAT
Quiz by Deepali
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- Q1
__________ is the phenomenon in which the ice melts to the water below 0°C on the application of pressure and refreezes back to ice on the removal of pressure.
latent heat
regelation
humidity
Specific heat of capacity
30s - Q2
__________ if the pressure decreased then meltingpoint is get.
lower
none of the above
higher
remains same
30s - Q3
Glacier acts as a source of a river due to.......
humidity
anomalous behaviour of water
latent heat
regelation
30s - Q4
) Fill the blank space with correct option : the melting point of the ice becomes lower than.........°C due to the applied pressure. This implies that at ...........°C ice is converted into water and as soon as the pressure is removed the melting point is restored back to .........°C and the water is converted back to ice again.
0
50
1
100
30s - Q5
Water contract on increasing its temperatureabove
50
4 to 10
0 to 4
100
30s - Q6
The presence of water vapor in the air makes it moist. The moisture in the atmosphere is called
fog
humidity
rain
All of the above
30s - Q7
When the air containsmaximum possible water vapor, it is said to be
unsaturated with vapor at that temperature
saturated with vapor at that temperature
none of the above
humidity
30s - Q8
..........is a quantitative measure of degree of hotness and Coldness of the body.
heat
temperature
none of the above
Energy
30s - Q9
Name of device which isused to measure the hotness or coldness of an object
monometer
picometer
barometer
thermometer
30s - Q10
....................... is filled in bulb of thermometer
lead
mercury
copper
silver
30s - Q11
.................is the normal temperature of healthy person.
370 C
37F
none of the above
37K
30s - Q12
____________________is unit of temperature
joule
watt
celcius
none of the above
30s - Q13
Melting point is also known as
boiling point
constant point
freezing point
fusion point
30s - Q14
Ice change into water at ....
5
0
1000
-10
30s - Q15
Ice change into water at ....
both
given off
absorbed
none of these
30s