Hydrogen accepts an electron to attain the inert gas configuration. In this way it resembles __________

(a)

chalcogens

(b)

halogens

(c)

transition metals

(d)

alkali metals

Hydrogen acts as a reducing agent and thus resembles ______________

(a)

halogens

(b)

chalogens

(c)

inert gases

(d)

alkali metals

Which among of the following reaction produces hydrogen?

(a)

Na₂O₂ + HCI

(b)

BaO₂ + HCI

(c)

K₂S₂O₈ + H₂O

(d)

Zn + HCI

In which of the following compounds does hydrogen has an oxidation state of -1?

(a)

CH₄

(b)

NH₃

(c)

HCl

(d)

CaH₂

Which properties of hydrogen are responsible for moderation of the climate and body temperature of living beings?

(a)

High heat of vapour isation

(b)

High heat capacity

(c)

Both (a) and (b)

(d)

None of these