Answer:
Keeps tides on the shore and away from the city
Explanation
Answer is because
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MgF2 is <span>Magnesium fluoride
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Nitrogen. air consists 78% of nitrogen gas
Answer:
Calcium chloride react with aluminum to produce calcium and aluminum chloride. This reaction takes place at a temperature of 600-700°C.
CaCl2+F2 -> CaF2 + Cl2
