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Chapter 2
S Block Elements
Test -1
1.
The S-block elements are metals in Groups ___________ & ____________.
a) IA & IIA
b) AI & AII
c) IIA & IA
d) VI & VII
2.
Elements of group A except Hydrogen are called ______________.
a) Alkaline earth metals
b) Alkali metals
c) Carbides
d) Lithium nitride
3.
Elements of Group IIA are called _____________.
a) Lithium nitride
b) Alkali metals
c) Carbides
d) Alkaline earth metals
4.
Due to high reactivity, the alkali metals occur in __________ state in nature.
a) Alumino silicates
b) Combined form
c) Reducing
d) Magnesium
5.
Most of the earth's curt is composed of insoluble __________ of alkali metals.
a) Magnesium
b) Reducing
c) Alumino silicates
d) Sodium
6.
Rock salt (Halite) is the most abundant mineral of ____________.
a) Lithium nitride
b) Sodium
c) Mg
3
N
2
d) Magnesium
7.
Magnesite and Dolomite are important minerals of _____________.
a) Magnesium
b) Sodium
c) Alkaline earth metals
d) Combined form
8.
Anomalous behavior of Lithium is due to its __________ radius.
a) Least
b) Higher
c) Small
d) Normal
9.
When burnt in air Lithium forms ___________ oxide only.
a) Higher
b) Small
c) Normal
d) Least
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