PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoWrite brief answers to the following questions:
1. Look at the below figure and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain.
() The rate of evaporation increases with an increase of surface area because evaporation is a surface phenomenon. Also, with the increase in air speed, the particles of water vapour will move away from the air, which will .
2. (a) Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
(b) Conversion of solid-state to liquid state is called fusion; what is meant by the latent heat of fusion?
(b) Conversion of solid-state to liquid state is called fusion; what is meant by the latent heat of fusion?
(a). The conversion of vapour to solid is called .
(b). The amount of heat required to convert 1 kg of solid into liquid at one-atmosphere pressure at its melting point is known as its .
(b). The amount of heat required to convert 1 kg of solid into liquid at one-atmosphere pressure at its melting point is known as its .
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