Revision Chap 6 (Hawking &Armstrong)

Name this compound, NaOH

Name this compound, MgO

Name this compound, KCl

Name this compound, ZnO

Name this process

Name this process.

Name this process.

• Fractional distillation

• Distillation

• Filtration

• Condensation

This is the result of paper chromatography. Before we drop the sample on the starting line, the line must be drawn using pencil instead of pen. Why?

• Because the students do not have pen that time.

• Because teacher did not allow.

• Because the pen ink may be separated also.

• Because the mark of pencil is needed.

Which one is compound?

• NaOH

• Mg

• Ar

• He

Name this compound, BeO