1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The substance not likely to contain CaCO3 is :
A
calcined gypsum
B
sea shells
C
dolomite
D
a marble statue
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following process will produce hard water?
A
Saturation of water with MgCO3
B
Saturation of water with CaSO4
C
Addition of Na2SO4 to water
D
Saturation of water with CaCO3
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The IUPAC name of CH3COCH(CH3)2 is
A
2-methyl-3-butaone
B
4-methylisopropyl 1 ketone
C
3-methyl-2-butaone
D
Isopropylmethyl ketone
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
In the anion HCOO$$-$$ the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
A
The C = O bond is weaker than the C-O bond
B
The anion HCOO- has two resonating structures
C
The anion is obtained by removal of a proton from the acid molecule
D
Electronic orbitals of carbon atom are hybridised
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