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Recent questions tagged aipmt
Questions
In which one of the following, the dispersed phase is a liquid?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Dalda is prepared form oils by
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which of the following electrolyte will have maximum flocculation value for $Fe(OH)_3$ sol?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
An example of autocatalysis is
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
The disperse phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged respectively. Which of the following statements is not correct?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
A roller coaster is designed such that riders experience " weightlessness" as they go round the top of a hill whose radius of curvature is 20m. The speed of the car at the top of the hill is between
aipmt
modelpaper
physics
2008
q13
asked
Dec 14, 2013
by
thanvigandhi_1
1
answer
Identify the gas which is readily adsorbed by activated charcoal
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which of the following forms cationic micelles above certain concentration?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
2
answers
The volume of gases $H_2, \;CH_4, \;CO_2$ and $NH_3$ absorbed by 1 gm of activated charcoal at 298 K are in the order:
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
mock
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which doesn't cause coagulation of coagulation of colloidal solution?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
The concentration of electrolyte required to coagulate a given amount of $As_2S_3$ sol. is minimum in the case of:
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Colloid of which one fo the following can be prepared by electrical dispersion as well as reduction method?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Arsenic sulhpide is a negative sol. The reagent with least precipitating power is
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is $90^{\circ}$ . The moment of inertia of the bent rod about an axis passing through the bending point and perpendicular to the plane defined by the two halves of the rod is :
aipmt
modelpaper
physics
2008
q12
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
The ratio of the radii of gyration of a circular disc to that of a circular ring each of same mass and radius, around their respective axes is :
aipmt
modelpaper
physics
2008
q11
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05kJ of energy . The initial velocity of the shell is :
aipmt
modelpaper
physics
2008
q10
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. The losses due to frictional forces are 10% of energy . How much power is generated by the turbine ? $( g = 10\: m/s^2)$
aipmt
modelpaper
physics
2008
q9
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
Three forces acting on a body are shown in the figure. To have the resultant force only along the $y$ - direction, the magnitude of the minimum additional force needed is :
aipmt
modelpaper
physics
2008
q8
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
Milk is a colloid in which a
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which one of the following is an example of homogeneous catalysis?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
The critical micellization concentration(CMC) is
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
The coagulation of $10 cm^3$ of Gold sol is completely preventred by addition of 0.025g of starch to it. The gold number of starch is
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
The ability of ion to bring about coagulation of a given colloidal solution depends upon
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
The stability of the dispersed phase in a lyophobic colloids is due to
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which of the following method is not employed for the purification of colloids?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
In the preparation of AgI sol, the excess of $AgNO_3$ is added to potassium iodide solution. The particles of the sol will acquire
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which of the following process best describes the purification of muddy water by addition of alum?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
A sol has positively charged colloidal particles. Which of the following solutions is required in lowest concentration for coagulation?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Hydrophillic colloids are stable due to
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Point out the incorrect statement
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which of the following is not applicable to chemisorption?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
According to Freundlich adsorption isotherm, which of the following is correct?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Which adsorption takes place at low temperature?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Pd can adsorb in the space between its atoms, 900 times its volume of hydrogen. This porcess is called
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
Sand is being dropped on a conveyor belt at the rate of M / kg s. The force necessary to keep the belt moving with a constant velocity of $ v\: m/s$ will be :
aipmt
modelpaper
physics
2008
q7
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
Which of the following statements is correct about Langmuir's adsorption?
jeemain
aipmt
chemistry
surface-chemistry
class12
unit5
easy
biology
asked
Dec 14, 2013
by
mosymeow_1
1
answer
A particle of mass $m$ is projected with velocity $v$ making an angel of $45^{\circ}$ with the horizontal. When the particle lands on the level ground the magnitude of the change in its momentum will be :
aipmt
modelpaper
physics
2008
q6
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
A particle shows distance - time curve as given in the figure. The maximum instantaneous velocity of the particle is around the point :
aipmt
modelpaper
physics
2008
q5
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
A particle moves in a straight line with a constant acceleration. It changes its velocity from $ 10 \: ms^{-1} $ to $ 12 \: ms^{-1} $ while passing through a distance 135 m in $t$ second. The value of $t$ is :
aipmt
modelpaper
physics
2008
q4
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
The distance travelled by a particle starting from rest and moving with an acceleration $ \large\frac{4}{3}\: ms^{-2}$, in the third second is :
aipmt
modelpaper
physics
2008
q3
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
If the error in the measurement of radius of a sphere is 2%, then the error in the determination of volume of the sphere will be :
aipmt
modelpaper
physics
2008
q2
asked
Dec 14, 2013
by
thanvigandhi_1
1
answer
Which two of the following five physical parameters have the same dimensions ?
aipmt
modelpaper
physics
2008
q1
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
The $pK_a$ of weak acid (HA) is 4.5 . The $pOH$ of an aqueous buffered solution of HA in which 50% of acid is ionized is
jeemain
chemistry
aipmt
equilibrium
easy
q100
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
Which of the following ionic species has the greatest protons affinity to form stable compound?
sat
chemistry
chemical-equilibrium
jeemain
aipmt
equilibrium
easy
q99
biology
asked
Nov 27, 2013
by
mosymeow_1
2
answers
The solubility of $A_2X_3$ is y mol $dm^{-3}$. Its solubility product is
jeemain
chemistry
equilibrium
aipmt
easy
q98
asked
Nov 27, 2013
by
mosymeow_1
1
answer
When $0.1\; mol$ of $CH_3NH_2$ (ionisation constant, $K_b = 5 \times 10^{-4}$) is mixed with $0.08\;mol\; HCl$ and the volume is made up to $1\; L$ find the [$H^+$] of resulting solution,
jeemain
chemistry
equilibrium
aipmt
difficult
q97
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
$H_3BO_3$ is
sat
chemistry
chemical-equilibrium
jeemain
aipmt
equilibrium
difficult
q96
biology
asked
Nov 27, 2013
by
mosymeow_1
2
answers
The $pH$ of $\frac{M}{100}$ NaOH solution is:
chemistry
jeemain
equilibrium
aipmt
easy
q95
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
Ammonium acetate which is 0.01 M, is hydrolysed to 0.001 M concentration. Calculate the change in $pH$ in 0.001 M solution, if initially $pH = pK_a$
jeemain
chemistry
equilibrium
aipmt
difficult
q94
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
When solid lead iodide is added to water, the equilibrium concentration of $I^-$ becomes $2.6 \times 10^{-3}$M. What is the $K_{sp}$ for $PbI_2$
jeemain
chemistry
aipmt
equilibrium
difficult
q89
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
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