1
IIT-JEE 2009 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
The compound(s) formed upon combustion of sodium metal in excess air is (are)
A
Na2O2
B
Na2O
C
NaO2
D
NaOH
2
IIT-JEE 2006
MCQ (More than One Correct Answer)
+5
-1.25
The species present in solution when CO2 is dissolved in water are
A
CO2, H2CO3, $$HCO_3^-$$, $$CO_3^{2-}$$
B
$$H_2CO_3$$, $$CO_3^{2-}$$
C
$$CO_3^{2-}$$, $$HCO_3^-$$
D
CO2, H2CO3
3
IIT-JEE 2006
MCQ (More than One Correct Answer)
+5
-1.25
MgSO4 on reaction with NH4OH and Na2HPO4 forms a white crystalline precipitate. What is its formula?
A
Mg(NH4)PO4
B
Mg3(PO4)2
C
MgCl2.MgSO4
D
MgSO4
4
IIT-JEE 1998
MCQ (More than One Correct Answer)
+2
-0.5
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
JEE Advanced Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12