. From the following techniques: Distillation, filtration, fractional distillation, chromatography, crystallisation, sublimation, evaporation, decantation, sedimentation. Select the method you will use to separate : hydratedCuS04from its aqueous solution.

. From the following techniques: Distillation, filtration, fractional distillation, chromatography, crystallisation, sublimation, evaporation, decantation, sedimentation. Select the method you will use to separate : Petrol from crude oil.

. From the following techniques: Distillation, filtration, fractional distillation, chromatography, crystallisation, sublimation, evaporation, decantation, sedimentation. Select the method you will use to separate : Common salt from sea-water.

. From the following techniques: Distillation, filtration, fractional distillation, chromatography, crystallisation, sublimation, evaporation, decantation, sedimentation. Select the method you will use to separate : the constituents of the colouring matter of ink.

From the methods (or techniques) of distillation, filtration, fractional distillation, chromatography, crystallisation, select and write down the technique you would use to separate : Hydrated copper (II) sulphate or blue vitriol from its aqueous solution.

From the methods (or techniques) of distillation, filtration, fractional distillation, chromatography, crystallisation, select and write down the technique you would use to separate : Nitrogen from liquid air.

From the methods (or techniques) of distillation, filtration, fractional distillation, chromatography, crystallisation, select and write down the technique you would use to separate :Constituents of colouring matter in ink.

From the methods (or techniques) of distillation, filtration, fractional distillation, chromatography, crystallisation, select and write down the technique you would use to separate : Unused zinc after the reaction of excess of zinc with dilute sulphuric acid.

Which separation techniques will you apply for the separation of the following? Sodium chloride from its solution in water.

These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Proximal convoluted tubule is lined by brush-bordered cuboidal epitheliium. Reason:PCT is main site of selective reabsorption of useful materials from nephric filtrate.