1
IIT-JEE 2010 Paper 1 Offline
MCQ (More than One Correct Answer)
+3
-0.75
Aqueous solution of HNO3, KOH and CH3COOH and CH3COONa of identical concentrations are provided. The pairs of solutions which form a buffer upon mixing is(are)
A
HNO3 and CH3COOH
B
KOH and CH3COONa
C
HNO3 and CH3COONa
D
CH3COOH and CH3COONa
2
IIT-JEE 2010 Paper 1 Offline
Numerical
+2
-0
Amongst the following the total number of compounds whose aqueous solution turns red litmus paper blue is
KCN, K2SO4, (NH4)2C2O4, NaCl, Zn(NO3)2, FeCl3, K2CO3, NH4NO3 and LiCN
Your input ____
3
IIT-JEE 2010 Paper 1 Offline
MCQ (More than One Correct Answer)
+2
-0.5
The reagent(s) used for softening the temporary hardness of water is (are)
A
Ca3(PO4)2
B
Ca(OH)2
C
Na2CO3
D
NaOCl
4
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0
The total number of cyclic isomers possible for a hydrocarbon with the molecular formula C4H6 is
Your input ____
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