states of matter & experiments

In which changes do the particles move further apart

• W and X

• W and Z

• Y and X

• Y and Z

Which row about a change of state is correct?

• A

• B

• C

• D

I am left behind in the filter paper ]. What Am I?

• Filtrate

• Solution

• Residue

Th components of filtration are separated based on

• boiling point

• solubility

• particle size

Which of these is needed for filtration?

• Wire gauze

• Burner

• Funnel

• Round-bottom flask

Ink can be separated by a method of -----------------------------------------------

• distillation

• filtration

• chromatography

• sedimentation

On the chromatogram given -------------- is mixture.

• red
• orange
• green
• black

The R_f value  for the blue component is 

• 0.3
• 0.7
• 10
• 3