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:

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Answer 2

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1. True
2. False
3. True
4. True
5. False
6. False
7. True