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Question

Which of the following statement is incorrect regarding Magnesium?

A
Magnesium cannot form alloys with aluminium or zinc but it forms alloys with manganese and tin.
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B
Mg is used in flash powders and bulbs, incendiary bombs and signals.
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C
Mg-Al alloys being light in mass are used in air-craft construction.
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D
None of the above
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Solution

The correct option is A Magnesium cannot form alloys with aluminium or zinc but it forms alloys with manganese and tin.
Uses of magnesium :
1. Magnesium forms alloys with aluminium, zinc, manganese and tin.
2. Mg-Al alloys being light in mass are used in air-craft construction.
3. Milk of magnesia is used as antacid in medicine.
4. Mg is used in flash powders and bulbs, incendiary bombs and signals.
5. MgCO3 is used as an ingredient in toothpaste.

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