Summer Holiday Home Work IX Chemistry1 List two conditions essential for using distillation as a method for separation of the components froma mixture2) Clive reasons(a) Evaporation produces cooling effectHon of an aqueous solution decreases with increase in humidity(1) Rate of evaporation of an aqueous solution decreases within(0) Sponge though compressible is a solid(d) The smell of lighted incense stick spreads several metres away(e) lee floats over water(D Clases fill up completely the vessels in which they are kept3) Osmosis is a special kind of diffusion Commentmatter on the basis of following characteristics) Tabulate the differences in the states of matter on the basis of on(a) Rigidity(b) Kinetie energy(0) Density5) Why do solids generally lack the property of diffusion?6) Does the evaporation of a liquid occur only at a fixed temperature.7) Difference between(a) Solutions, suspensions and colloids.(b) Homogeneous and heterogenous mixture.(0) Physical and chemical change,8) A solution contain J5 x of common salt in 300 g of water. Calculate the concentration of thesolution.0 How will you separate the constituents present in the following mixtures?(a) Common salt and water(b) Kerosene and water(c) lodine and sand(d) Sugar and sulphur(e) Butter from curd( Camphor from salt(8) Iron pin from sand(h) Oil from water(b) Tea leaves from tea() Wheat grain from husk(k) Different pigments from flower10) Classify the following into physical and chemical changes(a) Cutting of trees(b) Melting of butter into pan(0) Rusting of almirah(d) Burning of paper and wood​