Q.1) Answer the questions given below:
(i) Name the process by which solid Iodine changes into its vapour form.
(ii) Coin the term for conversion of water vapour present in the atmosphere into liquid state.
(iii) Name the two factors that bring about the these changes.
Q.2) The melting point of two solids (X) and (Y) are 330 K and 700 K, respectively. Which one has stronger interparticle forces?
Q.3 Explain the relationship between kinetic energy of particles and diffusion.
Q.4 What happens to the heat energy supplied to the solids once it starts melting?
Q.5 Why is ice rubbed immediately on the burnt part and not water?
Q.6) Tabulate the differences between:
(a) Gas and vapour
(b ) Sublimation and fusion
Q7) The freezing temperature of the liquid state and the melting point temperature of the solid state are :
(a) similar (b) vary slightly (c) different
Q.8) Small quantities of water and ether are placed on the two palms of a person . Which will experience more cooling and why?
Q.9) What is latent heat? What are its types? Define them.
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Answer:
Keep magnified glass in shape OF thermocol
Explanation:
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