How many of the following statements are false? (The answer is 2 of them. but I

ID: 1052356 • Letter: H

Question

How many of the following statements are false?

(The answer is 2 of them. but I think it should be 3 of them(1,2,and 4) were wrong. Could anyone explain it to me? thank you)

The group 3A elements are all metals.

Alkaline earth metals react less vigorously with water than do the alkali metals.

III.

Salts can consist of hydrogen.

IV.

Because Li is the strongest reducing agent of the alkali metals, it reacts most quickly with water of the alkali metals.

The group 3A elements are all metals.

Alkaline earth metals react less vigorously with water than do the alkali metals.

III.

Salts can consist of hydrogen.

IV.

Because Li is the strongest reducing agent of the alkali metals, it reacts most quickly with water of the alkali metals.

I is wrong

group 3A elements all are not metals. B is not metal.

II is correct only alkali metals reacts more vigerously than alkaline earth metals.

III wrong

salts donot contain Hydrogen

IV is corret

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