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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
When rain is accompanied by a thunderstorm, the collected rain water will have a pH value :
A
slightly higher than that when the thunderstorm is not there
B
uninfluenced by occurence of thunderstorm
C
which depends on the amount of dust in air
D
slightly lower than that of rain water without thunderstorm
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Let the solubility of an aqueous solution of Mg(OH)2 be x then its Ksp is :
A
4x3
B
108x5
C
27x4
D
9x
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Species acting as both Bronsted acid and base is :
A
(HSO4)-1
B
Na2CO3
C
NH3
D
OH-1
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
1 M NaCL and 1 M HCL are present in an aqueous solution. The solution is
A
not a buffer solution with pH < 7
B
not a buffer solution with pH > 7
C
a buffer solution with pH < 7
D
a buffer solution with pH > 7
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