Question

7) Which metal can react
fast with cold
water:
O A) Potassium
O B) Copper
OC) Magnesium
D) Gold​

Answer 1

Explanation:

The alkali metals (Li, Na, K, Rb, Cs, and Fr) are the most reactive metals in the periodic table - they all react vigorously or even explosively with cold water, resulting in the displacement of hydrogen.