1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which one the following statement regarding helium is incorrect?
A
It is used to fill gas balloons instead of hydrogen because it is lighter and non–inflammable
B
It is used in gas – cooled nuclear reactors
C
It is used to produce and sustain powerful superconducting reagents
D
It is used as cryogenic agent for carrying out experiments at low temperatures
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is
A
CH3COOC2H5 + NaCl
B
CH3Cl + C2H5COONa
C
CH3COCl + C2H5OH + NaOH
D
CH3COONa + C2H5OH
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is
A
gammexene
B
hexachloroethane
C
Freon
D
DDT
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Insulin production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories?
A
A co- enzyme
B
An antibiotic
C
An enzyme
D
A hormone

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