1.

Group I elements of periodic table are known as (A) Alkali metal (B) Alkaline earth metal (C) Inert gas (D) None of these

Answer»

Correct Answer is: (A) Alkali metal 

The Group 1 elements in the periodic table are known as the alkali metals. They include lithium, sodium and potassium, which all react vigorously with water to produce an alkaline solution



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