Calorimetry
PHXI11:THERMAL PROPERTIES OF MATTER

366371 A container with negligible heat capacity has 100 \(g\) ice at \(0^{\circ} {C}\) is suspended in a room where temperature is \(35^{\circ} {C}\). It was found that the entire ice melted in 10 hours. Now the same container having 100 \(g\) of water at \(0^{\circ} {C}\) is suspended in the same room. How much time (in \(min\)) will it take for the temperature of water to rise to \(0.5^{\circ} {C}\). Specific heat of water and specific latent heat of fusion of ice are \(1\,\, {cal}\,\, {g}^{-1}{ }^{\circ} {C}^{-1}\) and \(80\,\, {cal}\,\, {g}^{-1}\) respectively.

1 1.27
2 5.68
3 3.75
4 10.26
PHXI11:THERMAL PROPERTIES OF MATTER

366372 \(500\;g\) of water and \(100\;g\) of ice at \(0^\circ C\) are in a calorimeter whose water equivalent \(40\;g.10\;g\) of steam at \(100^\circ C\) is added to it. then water in the calorimeter is: \((\) Latent heat of ice \( = 80\,cal/g\), Latent heat of steam \( = 540\,cal/g\) )

1 \(580\;g\)
2 \(590\;g\)
3 \(600\;g\)
4 \(610\;g\)
PHXI11:THERMAL PROPERTIES OF MATTER

366373 Match the following
Column I
Column II
A
Conversion of a liquid into solid
P
Melting
B
Conversion of a liquid into vapour
Q
Sublimation
C
Conversion of solid into vapour directly
R
Fusion
D
Conversion of a solid into liquid
S
Vapourisation

1 \({\rm{A - R,}}\,{\rm{B - Q,}}\,{\rm{C - P,}}\,{\rm{D - S}}\)
2 \({\rm{A - R,}}\,{\rm{B - S,}}\,{\rm{C - Q,}}\,{\rm{D - P}}\)
3 \({\rm{A - Q,}}\,\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - R}}\)
4 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366374 A kettle with \(2\;L\) water at \(27^\circ C\) is heated by operating coil heater of power \(1\;kW\). The heat is lost to the atmosphere at constant rate \(160\;J/\), when it is open. In how much time will water be heated to \(77^\circ C(sp\). heat of water \( = 4.2\;kJ/kg\) ) with lid open?

1 \(14 \mathrm{~min}\)
2 \(7 \mathrm{~min}\)
3 \(8\min 20\;s\)
4 \(6\min 2\;s\)
PHXI11:THERMAL PROPERTIES OF MATTER

366375 Statement A :
In change of state from solid to liquid the temperature decreases until the entire amount of the solid substance melts.
Statement B :
The phenomenon of refreezing is called melting.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXI11:THERMAL PROPERTIES OF MATTER

366371 A container with negligible heat capacity has 100 \(g\) ice at \(0^{\circ} {C}\) is suspended in a room where temperature is \(35^{\circ} {C}\). It was found that the entire ice melted in 10 hours. Now the same container having 100 \(g\) of water at \(0^{\circ} {C}\) is suspended in the same room. How much time (in \(min\)) will it take for the temperature of water to rise to \(0.5^{\circ} {C}\). Specific heat of water and specific latent heat of fusion of ice are \(1\,\, {cal}\,\, {g}^{-1}{ }^{\circ} {C}^{-1}\) and \(80\,\, {cal}\,\, {g}^{-1}\) respectively.

1 1.27
2 5.68
3 3.75
4 10.26
PHXI11:THERMAL PROPERTIES OF MATTER

366372 \(500\;g\) of water and \(100\;g\) of ice at \(0^\circ C\) are in a calorimeter whose water equivalent \(40\;g.10\;g\) of steam at \(100^\circ C\) is added to it. then water in the calorimeter is: \((\) Latent heat of ice \( = 80\,cal/g\), Latent heat of steam \( = 540\,cal/g\) )

1 \(580\;g\)
2 \(590\;g\)
3 \(600\;g\)
4 \(610\;g\)
PHXI11:THERMAL PROPERTIES OF MATTER

366373 Match the following
Column I
Column II
A
Conversion of a liquid into solid
P
Melting
B
Conversion of a liquid into vapour
Q
Sublimation
C
Conversion of solid into vapour directly
R
Fusion
D
Conversion of a solid into liquid
S
Vapourisation

1 \({\rm{A - R,}}\,{\rm{B - Q,}}\,{\rm{C - P,}}\,{\rm{D - S}}\)
2 \({\rm{A - R,}}\,{\rm{B - S,}}\,{\rm{C - Q,}}\,{\rm{D - P}}\)
3 \({\rm{A - Q,}}\,\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - R}}\)
4 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366374 A kettle with \(2\;L\) water at \(27^\circ C\) is heated by operating coil heater of power \(1\;kW\). The heat is lost to the atmosphere at constant rate \(160\;J/\), when it is open. In how much time will water be heated to \(77^\circ C(sp\). heat of water \( = 4.2\;kJ/kg\) ) with lid open?

1 \(14 \mathrm{~min}\)
2 \(7 \mathrm{~min}\)
3 \(8\min 20\;s\)
4 \(6\min 2\;s\)
PHXI11:THERMAL PROPERTIES OF MATTER

366375 Statement A :
In change of state from solid to liquid the temperature decreases until the entire amount of the solid substance melts.
Statement B :
The phenomenon of refreezing is called melting.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXI11:THERMAL PROPERTIES OF MATTER

366371 A container with negligible heat capacity has 100 \(g\) ice at \(0^{\circ} {C}\) is suspended in a room where temperature is \(35^{\circ} {C}\). It was found that the entire ice melted in 10 hours. Now the same container having 100 \(g\) of water at \(0^{\circ} {C}\) is suspended in the same room. How much time (in \(min\)) will it take for the temperature of water to rise to \(0.5^{\circ} {C}\). Specific heat of water and specific latent heat of fusion of ice are \(1\,\, {cal}\,\, {g}^{-1}{ }^{\circ} {C}^{-1}\) and \(80\,\, {cal}\,\, {g}^{-1}\) respectively.

1 1.27
2 5.68
3 3.75
4 10.26
PHXI11:THERMAL PROPERTIES OF MATTER

366372 \(500\;g\) of water and \(100\;g\) of ice at \(0^\circ C\) are in a calorimeter whose water equivalent \(40\;g.10\;g\) of steam at \(100^\circ C\) is added to it. then water in the calorimeter is: \((\) Latent heat of ice \( = 80\,cal/g\), Latent heat of steam \( = 540\,cal/g\) )

1 \(580\;g\)
2 \(590\;g\)
3 \(600\;g\)
4 \(610\;g\)
PHXI11:THERMAL PROPERTIES OF MATTER

366373 Match the following
Column I
Column II
A
Conversion of a liquid into solid
P
Melting
B
Conversion of a liquid into vapour
Q
Sublimation
C
Conversion of solid into vapour directly
R
Fusion
D
Conversion of a solid into liquid
S
Vapourisation

1 \({\rm{A - R,}}\,{\rm{B - Q,}}\,{\rm{C - P,}}\,{\rm{D - S}}\)
2 \({\rm{A - R,}}\,{\rm{B - S,}}\,{\rm{C - Q,}}\,{\rm{D - P}}\)
3 \({\rm{A - Q,}}\,\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - R}}\)
4 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366374 A kettle with \(2\;L\) water at \(27^\circ C\) is heated by operating coil heater of power \(1\;kW\). The heat is lost to the atmosphere at constant rate \(160\;J/\), when it is open. In how much time will water be heated to \(77^\circ C(sp\). heat of water \( = 4.2\;kJ/kg\) ) with lid open?

1 \(14 \mathrm{~min}\)
2 \(7 \mathrm{~min}\)
3 \(8\min 20\;s\)
4 \(6\min 2\;s\)
PHXI11:THERMAL PROPERTIES OF MATTER

366375 Statement A :
In change of state from solid to liquid the temperature decreases until the entire amount of the solid substance melts.
Statement B :
The phenomenon of refreezing is called melting.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
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PHXI11:THERMAL PROPERTIES OF MATTER

366371 A container with negligible heat capacity has 100 \(g\) ice at \(0^{\circ} {C}\) is suspended in a room where temperature is \(35^{\circ} {C}\). It was found that the entire ice melted in 10 hours. Now the same container having 100 \(g\) of water at \(0^{\circ} {C}\) is suspended in the same room. How much time (in \(min\)) will it take for the temperature of water to rise to \(0.5^{\circ} {C}\). Specific heat of water and specific latent heat of fusion of ice are \(1\,\, {cal}\,\, {g}^{-1}{ }^{\circ} {C}^{-1}\) and \(80\,\, {cal}\,\, {g}^{-1}\) respectively.

1 1.27
2 5.68
3 3.75
4 10.26
PHXI11:THERMAL PROPERTIES OF MATTER

366372 \(500\;g\) of water and \(100\;g\) of ice at \(0^\circ C\) are in a calorimeter whose water equivalent \(40\;g.10\;g\) of steam at \(100^\circ C\) is added to it. then water in the calorimeter is: \((\) Latent heat of ice \( = 80\,cal/g\), Latent heat of steam \( = 540\,cal/g\) )

1 \(580\;g\)
2 \(590\;g\)
3 \(600\;g\)
4 \(610\;g\)
PHXI11:THERMAL PROPERTIES OF MATTER

366373 Match the following
Column I
Column II
A
Conversion of a liquid into solid
P
Melting
B
Conversion of a liquid into vapour
Q
Sublimation
C
Conversion of solid into vapour directly
R
Fusion
D
Conversion of a solid into liquid
S
Vapourisation

1 \({\rm{A - R,}}\,{\rm{B - Q,}}\,{\rm{C - P,}}\,{\rm{D - S}}\)
2 \({\rm{A - R,}}\,{\rm{B - S,}}\,{\rm{C - Q,}}\,{\rm{D - P}}\)
3 \({\rm{A - Q,}}\,\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - R}}\)
4 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366374 A kettle with \(2\;L\) water at \(27^\circ C\) is heated by operating coil heater of power \(1\;kW\). The heat is lost to the atmosphere at constant rate \(160\;J/\), when it is open. In how much time will water be heated to \(77^\circ C(sp\). heat of water \( = 4.2\;kJ/kg\) ) with lid open?

1 \(14 \mathrm{~min}\)
2 \(7 \mathrm{~min}\)
3 \(8\min 20\;s\)
4 \(6\min 2\;s\)
PHXI11:THERMAL PROPERTIES OF MATTER

366375 Statement A :
In change of state from solid to liquid the temperature decreases until the entire amount of the solid substance melts.
Statement B :
The phenomenon of refreezing is called melting.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXI11:THERMAL PROPERTIES OF MATTER

366371 A container with negligible heat capacity has 100 \(g\) ice at \(0^{\circ} {C}\) is suspended in a room where temperature is \(35^{\circ} {C}\). It was found that the entire ice melted in 10 hours. Now the same container having 100 \(g\) of water at \(0^{\circ} {C}\) is suspended in the same room. How much time (in \(min\)) will it take for the temperature of water to rise to \(0.5^{\circ} {C}\). Specific heat of water and specific latent heat of fusion of ice are \(1\,\, {cal}\,\, {g}^{-1}{ }^{\circ} {C}^{-1}\) and \(80\,\, {cal}\,\, {g}^{-1}\) respectively.

1 1.27
2 5.68
3 3.75
4 10.26
PHXI11:THERMAL PROPERTIES OF MATTER

366372 \(500\;g\) of water and \(100\;g\) of ice at \(0^\circ C\) are in a calorimeter whose water equivalent \(40\;g.10\;g\) of steam at \(100^\circ C\) is added to it. then water in the calorimeter is: \((\) Latent heat of ice \( = 80\,cal/g\), Latent heat of steam \( = 540\,cal/g\) )

1 \(580\;g\)
2 \(590\;g\)
3 \(600\;g\)
4 \(610\;g\)
PHXI11:THERMAL PROPERTIES OF MATTER

366373 Match the following
Column I
Column II
A
Conversion of a liquid into solid
P
Melting
B
Conversion of a liquid into vapour
Q
Sublimation
C
Conversion of solid into vapour directly
R
Fusion
D
Conversion of a solid into liquid
S
Vapourisation

1 \({\rm{A - R,}}\,{\rm{B - Q,}}\,{\rm{C - P,}}\,{\rm{D - S}}\)
2 \({\rm{A - R,}}\,{\rm{B - S,}}\,{\rm{C - Q,}}\,{\rm{D - P}}\)
3 \({\rm{A - Q,}}\,\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - R}}\)
4 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366374 A kettle with \(2\;L\) water at \(27^\circ C\) is heated by operating coil heater of power \(1\;kW\). The heat is lost to the atmosphere at constant rate \(160\;J/\), when it is open. In how much time will water be heated to \(77^\circ C(sp\). heat of water \( = 4.2\;kJ/kg\) ) with lid open?

1 \(14 \mathrm{~min}\)
2 \(7 \mathrm{~min}\)
3 \(8\min 20\;s\)
4 \(6\min 2\;s\)
PHXI11:THERMAL PROPERTIES OF MATTER

366375 Statement A :
In change of state from solid to liquid the temperature decreases until the entire amount of the solid substance melts.
Statement B :
The phenomenon of refreezing is called melting.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.