Respuesta :
Answer;
A. Most alkali earth metals react with cold water.
Explanation;
- Alkali metals react vigorously with water. Starting from sodium, they react explosively to water, as hydrogen gas is produced in the process. The reactivity even increases down the group.
- The alkali metals basically react with water to form metal hydroxide and hydrogen gas.
- All the alkaline earth metals except beryllium also react with water to form strongly alkaline hydroxides.
Answer:
The right answer is:
*Most alkali earth metals react with hot water.
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Explanation: