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Hassan
1.Which is not related pair of term used in analytical techniques
A. Filtrate residue
B. Sublimate sublimation
C. Drying desiccator
D. Filtrate residue
2.The major steps involved in complete quantitative analysis are
A. 2
B. 3
C. 4
D. 2
3.
A.
B.
C.
D.
4.
A.
B.
C.
D.
5.
A.
B.
C.
D.
6.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
7.Which of these gases diffuse more quickly than oxygen?
A. H2S
B. NO
C. Cl2
D. H2S
8.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
9.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
10.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
11.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
12.Which statement is correct
A. PVmT
B. PCT
C. PMdT
D. PVmT
13.Under what conditions the gases deviate from the ideal behaviour?
A. High-temperature
B. Low temperature
C. High-pressure
D. High-temperature
14.The diffusion of gases at absolute zero will be
A. Unchanged
B. Slightly decreased
C. Slightly increased
D. Unchanged
15.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
16.Which one has the lowest density at room temperature?
A. Ne
B. N2
C. NH3
D. Ne
17.The introduction of the Kelvin scale in thermometry is according to
A. Boyles law
B. Charles law
C. Daltons law
D. Boyles law
18.0.5 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
19.At constant temperature the pressure of an ideal gas is doubled its density becomes
A. Half
B. Double
C. Same
D. Half
20.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
21.In how many forms do matter exists?
A. Three
B. Four
C. Five
D. Three
22.What is the simplest form of matter?
A. Gas
B. Liquid
C. Solid
D. Gas
23.What is the abundant form of matter on earth?
A. Gas
B. Liquid
C. Solid
D. Gas
24.Which state of matter has the lowest density?
A. Gas
B. Liquid
C. Solid
D. Gas
25.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
26.The solid particles only posses
A. Translational motion
B. Vibrational motion
C. Rotational motion
D. Translational motion
27.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
28.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
29.Which one is not the partial pressure of oxygen in the lungs?
A. 0.1526 atm
B. 116 mm of Hg
C. 116 torr
D. 0.1526 atm
30.The spreading of fragrance or scent in the air is due to
A. Diffusion
B. Effusion
C. Attraction with air
D. Diffusion
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