Answer to Question #52247 in Physical Chemistry for vi

Question #52247
What is the appropriate S.I. unit for distance? centimetres inches metres kilometres 8 How many decimeters are there in 15 centimeters? 150 dm 1.5 dm 0.15 dm none of these 9 The S.I unit for amount of substance is ___________. Mole Gram Dozen Metre 10 Distillation can be used to separate __________. a soluble solid from a solution a liquid from a solution a solid from a solid an insoluble solid from a solution 11 Which one of the following can be separated by adding water, stirring and filtering? Copper and tin Salt and sugar Sulfur and sugar Salt and copper sulphate 12 Fractional distillation cannot be used to ___________. separate the components of liquid air refine crude oil test the purity of a substance separate methanol and water 13 Fractional distillation cannot be used to ___________. refine crude oil separate the components of liquid air test the purity of a substance separate methanol and water
Expert's answer
metres
1.5 dm
Mole
a liquid from a solution
Sulfur and sugar
test the purity of a substance

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