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Home » Classes » Intermediate » Aptitude Test - 5
1.Selection of filter paper depends on size of particles to be
A. Filtered
B. Dried
C. Decolourized
D. Filtered
2.The solution remaining after the formation of crystals is called
A. Mother liquor
B. Dilute solution
C. Residue
D. Mother liquor
3.Which is not related pair of term used in analytical techniques
A. Filtrate residue
B. Sublimate sublimation
C. Drying desiccator
D. Filtrate residue
4.The major steps involved in complete quantitative analysis are
A. 2
B. 3
C. 4
D. 2
5.
A.
B.
C.
D.
6.
A.
B.
C.
D.
7.
A.
B.
C.
D.
8.What is the relative rate of effusion of CO and CO2?
A. CO is 1.25 times faster than CO2
B. CO is 3.75 times faster than CO2
C. CO is 1.25 times faster than CO
D. CO is 1.25 times faster than CO2
9.Which of these gases diffuse more quickly than oxygen?
A. H2S
B. NO
C. Cl2
D. H2S
10.Which of the following is not considered as an intermolecular force between molecules?
A. Coordinate covalent bonds
B. Hydrogen bonds
C. Debye forces
D. Coordinate covalent bonds
11.The weakest (in strength) of the following intermolecular forces is
A. Hydrogen bonding
B. Vander Waals force
C. Forces among the polar molecules
D. Hydrogen bonding
12.Ideal gasses have all the following characteristics except.
A. The absence of intermolecular forces
B. Collisions among the molecules of an ideal gas are perfectly elastic
C. The molecules occupy no space
D. The absence of intermolecular forces
13.Which of the following statements is true about plasma
A. It may be the first state of matter
B. It is not a phase transition
C. It is a conductor of electricity
D. It may be the first state of matter
14.Which statement is correct
A. PVmT
B. PCT
C. PMdT
D. PVmT
15.Under what conditions the gases deviate from the ideal behaviour?
A. High-temperature
B. Low temperature
C. High-pressure
D. High-temperature
16.The diffusion of gases at absolute zero will be
A. Unchanged
B. Slightly decreased
C. Slightly increased
D. Unchanged
17.Which of the following option is incorrect about gases?
A. All molecules move with the same speed
B. All molecules behave independently
C. PV / RT = n
D. All molecules move with the same speed
18.Which one has the lowest density at room temperature?
A. Ne
B. N2
C. NH3
D. Ne
19.The introduction of the Kelvin scale in thermometry is according to
A. Boyles law
B. Charles law
C. Daltons law
D. Boyles law
20.0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same
A. Value of a
B. Mass
C. Atoms
D. Value of a
21.At constant temperature the pressure of an ideal gas is doubled its density becomes
A. Half
B. Double
C. Same
D. Half
22.The critical temperature for different gases is different and depends upon
A. Size of molecule
B. Shape of molecule
C. Intermolecular attractions
D. Size of molecule
23.In how many forms do matter exists?
A. Three
B. Four
C. Five
D. Three
24.What is the simplest form of matter?
A. Gas
B. Liquid
C. Solid
D. Gas
25.What is the abundant form of matter on earth?
A. Gas
B. Liquid
C. Solid
D. Gas
26.Which state of matter has the lowest density?
A. Gas
B. Liquid
C. Solid
D. Gas
27.What do we call to the sudden expansion of plasma?
A. Avogadro�s law
B. Grahams law of diffusion
C. Joule Thompson effect
D. Avogadro�s law
28.The solid particles only posses
A. Translational motion
B. Vibrational motion
C. Rotational motion
D. Translational motion
29.For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature?
A. 1/2dm3
B. 1/3dm3
C. 1/4dm3
D. 1/2dm3
30.If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear
A. A straight line parallel to the x-axis
B. A straight line parallel to the y-axis
C. Straight line
D. A straight line parallel to the x-axis
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