Question

III. Tick (m) the correct and cross (X) the
statement:
1. Aluminium is more reactive than zinc.
2. Copper does not get corroded
3. All ores are minerals, but all minerals are not ores
4. Metal surfaces should be repainted time to time
5. Non-metals combine with oxygen to form basic
oxides.
6. Magnesium forms black colour powder of
magnesium oxide.
7. The reactivity of all metals is not the same.​

Answer 1

Answer:

1. NO

2. S

3.S

4.S

5.NO

6.NO

7. S