Match the followings :
Column $-I$ | Column $-II$ |
$(a)$ Combined existence of liquid-gaseous state of substance. | $(i)$ Sublimation curve |
$(b)$ Combined existence of solid-gaseous state of substance. | $(ii)$ Fusion curve |
$(iii)$ Vaporization curve |
$(a-iii),(b-i)$
$(a-iii),(b-ii)$
$(a-ii),(b-i)$
$(a-i),(b-ii)$
Latent heat of $1\,gm $ of steam is $536 \,cal/gm,$ then its value in $joule/kg$ is
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
Match the following according to conversion by heat :
Column $-I$ | Column $-II$ |
$(a)$ Required heat to convert solid into gaseous. | $(i)$ Latent heat of fusion |
$(b)$ Required heat to convert solid into liquid. | $(ii)$ Latent heat of vaporization. |
A block of ice at $- 10°C$ is slowly heated and converted to steam at $100°C.$ Which of the following curves represents the phenomenon qualitatively
A copper block of mass $2.5\; kg$ is heated in a furnace to a temperature of $500\,^{\circ} C$ and then placed on a large ice block. What is the maximum amount of ice (in $kg$) that can melt? (Specific heat of copper $=0.39\; J g ^{-1} K ^{-1}$ ;heat of fusion of water $=335\; J g ^{-1})$