Calcium does not occur as……..in nature.
a) compound
b) free metal
c) combined state
d) salt
Calcium found in nature as…….in combined state.
a) carbonate
b) marble
c) chalk
d) all of these
Calcium belongs to…..…….
a) alkali metals
b) transition metals
c) noble metals
d) alkaline earth metals
The atomic No. of Calcium is ……
a) 40
b) 20
c) 22
d) 19
The symbol of Calcium is ……
a) Cab
b) C
c) K
d) Co
Calcium is
present in ……. period in the periodic table.
a) second
b) third
c) first
d) fourth
Ca
by at 2025-03-22 05:19:05