s-Block Elements

4 Questions MSQ (Multiple Correct) Start JEE Mains Test
2009 Q1 JEE Advanced MSQ
14 Mar 2026
The compound(s) formed upon combustion of sodium metal in excess air is (are)
A.
Na2O2
B.
Na2O
C.
NaO2
D.
NaOH
1998 Q2 JEE Advanced MSQ
14 Mar 2026
Highly pure dilute solution of sodium in liquid ammonia
A.
shows blue color
B.
exhibits electrical conductivity
C.
produces sodium amide
D.
produces hydrogen gas
1992 Q3 JEE Advanced MSQ
14 Mar 2026
The species that do not contain peroxide ions are
A.
PbO2
B.
H2O2
C.
SrO2
D.
BaO2
1990 Q4 JEE Advanced MSQ
14 Mar 2026
When zeolite, which is hydrated sodium aluminium silicate is treated with hard water the sodium ions are exchanged with
A.
H+ ions
B.
Ca++ ions
C.
$SO_4^{--}$ ions
D.
Mg++ ions