1
IIT-JEE 1986
Fill in the Blanks
+1
-0
The rate of diffusion of gas is _______ proportional to both ________ and square root of molecular mass.
2
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The average velocity of an ideal gas molecule at 27oC is 0.3m/sec. The average velocity at 927oC will be
A
0.6 m/sec
B
0.3 m/sec
C
0.9 m/sec
D
3.0 m/sec
3
IIT-JEE 1986
True or False
+1
-0
The softness of group I-A metals increases down the group with increasing atomic number.
A
TRUE
B
FALSE
4
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The pair of compound which cannot exist together in solution is:
A
NaHCO3 and NaOH
B
Na2CO3 and NaHCO3
C
Na2CO3 and NaOH
D
NaHCO3 and NaCl
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