1.

Which one of the following metals does NOT react with cold water ?

Answer»

Calcium (CA)
Potassium (K)
Magnesium (MG)
Sodium (Na)

Solution :The TEMPERATURE at which a solid and liquid phase may coexist in equilibrium . The term applies to pure liquids and solutions . It is also known as Freezing point . The melting point of the iron is `2,800^(@)F` (1537.77778 Celsius `(^(@)C`)


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