1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A human body required 0.01 m activity of radioactive substance after 24 hours. Half life of radioactive substance is 6 hours. Then inhection of maximum activity of radioactive substance that can be injected is
A
0.08
B
0.04
C
0.16
D
0.32
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Enthalpy of CH4 + $${1 \over 2}$$ O2 $$ \to $$ CH3OH is negative. If enthalpy of combustion of CH4 and CH3OH are x and y respectively. Then which relation is correct?
A
x > y
B
x < y
C
x = y
D
x3 y
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Molarity of liquid HCl, if density of solution is 1.17 g/ce is
A
36.5
B
18.25
C
32.05
D
42.10
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Specific volume of cylinfrical virus particle is 6.02 $$ \times $$ 10$$-$$2 cc/g whose radius and length are 7 $$\mathop A\limits^ \circ $$ and 10 $$\mathop A\limits^ \circ $$ respectively. If NA = 6.02 $$ \times $$ 1023, find molecular weight of virus.
A
15.4 kg/mol
B
1.54 $$ \times $$ 104 kg/mol
C
3.08 $$ \times $$ 104 kg/mol
D
3.08 $$ \times $$ 103 kg/mol