Separation Methods

The _____ is the liquid obtained after the separation of the precipitate by filtration.

What is the solid obtained after filtration?

Chromatography is used in crime scene investigations.

State the different uses of chromatography in crime detection.

Paper chromatography is based on the following principle:

Water that flows through rivers may have compounds dissolved in it that make it unsafe to drink. Which technique could be used to remove the dissolved substances and obtain pure water?

State briefly the principle of refining by chromatography.

One common method used to separate dyes is:

The principle on which thin layer chromatography is based is that the ____________

Label the figure given below.

Where and why is it used?

Label the figure given below.

What is the process called?

Chromatography is used to separate mixture of chemicals in their liquid or gaseous form.

Observe the image. Explain the method and why is it used?

With the help of an activity, prove that mixtures can be separated through physical methods, whereas compounds cannot be separated.

Differentiate between: Distillation and Fractional distillation. 

State whether the following statements are True or False.

The process to obtain pure substance from a mixture in a solution is called distillation.

What is the principle used in distillation?

On what principle does chromatography work?

The pattern obtained on chromatography paper is called _____.

(Chromatograph, Valency, Cuprum, Negatively, ${\mathrm{ZnCl}}_2$, one, $\mathrm{ZnS}$, Positively, Separating funnel)

A mixture of ethanol and water can be separated by using which of the following methods?