Week 3 quiz - paper chromatography, separation, polymers

By which property does paper chromatography separate substances?

• melting point

• solubility

• polarity

• density

What is the technical terminology used to refer to the filter paper in paper chromatography?

• mobile phase

• stationary phase

• liquid phase

• polar phase

What is the technical terminology used to refer to the solvent in paper chromatography?

• mobile phase

• stationary phase

• liquid phase

• polar phase

More polar compounds move further up the stationary phase in paper chromatography.

• True

• False

'Solution' is the terminology used to refer to what category of substance?

• element

• compound

• heterogeneous mixture

• homogenous mixture

This type of bonding exists between atoms of a molecule.

(a)  

This type of bonding exists between compounds made of a metal and non-metal.

(a)  

What property allows a mixture of charcoal powder and water to be separated?

• solubility

• melting point

• boiling point

What is the difference between distillation and evaporation?

• The evaporated substance is not collected in evaporation.

• Distillation can only be used for mixtures of liquids.

• Only distillation relies on differences in boiling point.

What property allows a solution of copper (II) sulphate in water to be separated?

• solubility

• melting point

• boiling point