This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
S-Block Elements
1.
The S-block elements are metals in Groups ___________ & ____________.
a. IA & IIA
b. VI & VII
c. IIA & IA
d. AI & AII
2.
Elements of group A except Hydrogen are called ______________.
a. Carbides
b. Alkali metals
c. Alkaline earth metals
d. Lithium nitride
3.
Elements of Group IIA are called _____________.
a. Carbides
b. Lithium nitride
c. Alkaline earth metals
d. Alkali metals
4.
Due to high reactivity, the alkali metals occur in __________ state in nature.
a. Magnesium
b. Alumino silicates
c. Reducing
d. Combined form
5.
Most of the earth's curt is composed of insoluble __________ of alkali metals.
a. Sodium
b. Reducing
c. Alumino silicates
d. Magnesium
6.
Rock salt (Halite) is the most abundant mineral of ____________.
a. Mg
3
N
2
b. Sodium
c. Lithium nitride
d. Magnesium
7.
Magnesite and Dolomite are important minerals of _____________.
a. Combined form
b. Sodium
c. Alkaline earth metals
d. Magnesium
8.
Anomalous behavior of Lithium is due to its __________ radius.
a. Small
b. Least
c. Higher
d. Normal
9.
When burnt in air Lithium forms ___________ oxide only.
a. Small
b. Higher
c. Least
d. Normal
10.
Lithium reacts with nitrogen to form ___________ unlike other alkali metals.
a. Lithium nitride
b. Reducing
c. Small
d. Carbides
11.
Alkali metals except Lithium do not form ___________ when react with carbon.
a. Reducing
b. Super
c. Carbides
d. Magnesium
12.
All alkali metals are powerful _________ agents.
a. Reducing
b. Higher
c. Least
d. Super
13.
Melting and boiling point of Beryllium are ________________ than other alkaline earth metals.
a. Higher
b. Super
c. Normal
d. Least
14.
Be+2NaOH
®
Na
2
BeO
2
+ -------------
a. H
1
b. H
2
c. H
3
d. H
5
15.
Potassium, Rubidium and Cesium react with oxygen to form ___________ oxides.
a. Super
b. Mg
3
N
2
c. Higher
d. H- (Hydride ion)
This is more feedback!
This is the feedback!
