1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Which of the following is correct?
A
Cycloheptane is an aromatic compound.
B
Diastase is an enzyme
C
Acetophenone is an ether.
D
All of these.
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In preparation of alkene from alcohol using Al2O3 which is the effective factor ?
A
Porosity of Al2O3
B
Temperature
C
Concentration
D
Surface area of Al2O3
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Pure water can be obtained from sea water by
A
centrifugation
B
plasmolysis
C
reverse osmosis
D
sedimentation
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
When a bio-chemical reaction is carried out in laboratory, outside the human body in absence of enzyme, then rate of reaction obtained is 10$$-$$6 times, the activation energy of reaction in the presence of enzyme is
A
6/RT
B
P is required
C
different from E$$a$$ obtained in laboratory
D
can't say anything.