1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is J (Q1 + Q2). This data :
A
violates 1st law of thermodynamics
B
violates 1st law of thermodynamics if Q1 is +ve
C
violates 1st law of thermodynamics if Q1 is -ve
D
does not violates 1st law of thermodynamics
2
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
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
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
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