Question

Name the gas released when group 1 elements react with water.

Answer 1

Answer:

Hydrogen

Explanation:

Answer 2

Answer:

HYDROGEN GAS

Explanation:

#All the alkali metals react vigorously with cold water.

#In each reaction, hydrogen gas is given off and the metal hydroxide is produced.

#The speed and violence of the reaction increases as you go down the group.

#This shows that the reactivity of the alkali metals increases as you go down Group 1.

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