6. Name a solvent that can be used for the following: (a) removing ink from clothes
(b) cleaning greasy hands
7. How can one separate and collect the solvent from a salt solutio
8. Explain how Elianto oil is obtained from maize seeds.
9. Give two examples of:
(i) temporary physical change.
(ii) temporary chemical change.
(iii) permanent change.
10. List three differences between temporary and permanent chan
Il Spots of pure pigments A and B, and a mixture Z were place
allowed to dry. The paper was then dipped in a solvent. The re
on the paper chromatogram.
(a) Which is the:
(i) base line?
(ii) solvent front?
-С
OX
Which of the nure nigments was a co​