Separtaion Of Mixture

State two things the student could do to make the salt dissolve quickly

State what the student should do next to separate the sand from the salt solution

Explain why it’s nessacry for water to flow continuously in and out of the apparatus condenser in simple distillation

Method separte sand from salt solution

Why can ethanol and water be separated by fractional distillation

Explain why the first liquid to be collected in the beaker is mostly ethanol in fractional distillation

Obtain pure water from sea water

Obtain ethanol from a mixture of ethanol and water

Pure water from a solution

Soluble solid from solution

Insoluble solid from liquid

Liquid from mixture of liquids with different boiling points

Mixture of sand and water and want to obtain sand(insoluble)

Method used to separate the dyes in food colouring

Explain why a is the least soluble

Equation of rf

Two students carry out separate chromatography experiments to find rf value for five different food dyes State two things that should be the same in both experiments so the students can compare their results fairly

Describe how a student could obtain chromatography

Extract the red dye from a sample of rose petals

Water from copper (II) sulfate solution

Method used to separate the solution of the green colouring from the remaining grass

State why the solvent level should not be above the base line at the start of the experiment

Explain why people has largest no of dyes

Matter