90. Solving a chemistry problem

90. Solving a chemistry problem

4.2) Carry out the following chains of transformations (compose the appropriate reaction equations):
1) Al → Al2O3 →AlCl3 →Al
2) NaBr → Br2 → HBr → KBr
Give names to all substances, indicate the belonging of each substance to the class of inorganic substances.

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.