A.zero-order reactions only
B.first-order reactions only
C.second-order reactions only
D.all reaction orders.
A.entry of water alongwith top reflux to the tower
B.fluctuations in the tower bottom level
C.fluctuation in the feed rate and feed temperature to the column
D.all of the above
A.zero
B.negative
C.positive
A.Their velocities go on increasing until they hit the earth with the same velocity
B.Their velocities go on increasing as they hit the earth but final velocities of different drops are different
C.They fall with a terminal velocity which is the same for every drop
D.They fall with terminal velocities which are different for drops of different size.
A.one cubic foot
B.two cubic foot
C.one and half cubic foot
D.three cubic foot
A.0?C
B.4?C
C.11.6?C
D.3.8?C
A.Salt pan near the sea
B.Narrow river surrounded by trees
C.Covered swimming pool
D.Near the mountain
E.Leaking water from pipe.
A.the reaction is irreversible
B.sodium chloride is only sparingly soluble in water
C.barium carbonate is almost insoluble in water
D.the solubility of BaCI2 decreases in the presence of sodium carbonate
A.Helium
B.Hydrogen
C.Oxygen
D.Nitrogen
A.oxidising properties
B.reducing properties
C.basic properties
D.disinfecting properties
