ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CHM103
1 / 50
For 1 mole of an ideal gas, a plot of PV against T will give a straight line whose slope is equal to __________
2 / 50
Meter, kelvin, second and kilogram are examples of _______
3 / 50
________ is an instrument that can be used to measure the strength of an acid or a base
4 / 50
4. An ideal gas differs from a real gas in that the molecules of an ideal gas __________.
5 / 50
In a gas. the molecules on the average are separated by large ______ distances
6 / 50
The Beckman thermometer IS used in the Beckman's apparatus for determining __________ of a substance
7 / 50
International system of unit or system international can be written as an acronym _______________
8 / 50
8. The Henry's law constant for helium gas in water at 30 °C is 0.00037 M/atm. When the partial pressure of helium above a sample of water is 0.650 atm, the concentration of helium in the water is __________ M.
9 / 50
9. A sample of oxygen occupies 47.2 liters under a pressure of 1240 torr at 25 $^{o}C$. What volume would it occupy at 25$^{o}C$ if the pressure were decreased to 730 torr?
10 / 50
A solution is prepared by dissolving calcium chloride in water and diluting to 500.0 mL. If this solution contains 44 ppm chloride ions, the concentration of calcium ions is __________ ppm.
11 / 50
11. The vapor pressure of pure ethanol at 60 °C is 0.459 atm. Raoult's Law predicts that a solution prepared by dissolving 10.0 mmol naphthalene (nonvolatile) in 90.0 mmol ethanol will have a vapour pressure of __________ atm.
12 / 50
At relatively low pressure, there are no ___________ forces between gas molecules
13 / 50
13. Distillation can be used to separate ________
14 / 50
14. Which of the followings will not diffract X-rays?
15 / 50
Temperature, length, time and mass are examples of ________
16 / 50
-______is a state of matter that does not have a definite shape nor volume
17 / 50
Modern approach to chemistry deals with equilibrium properties, ability to change and ______
18 / 50
Apparatus that arc basically used for determining the melting points of substances are called ____________
19 / 50
19. Which one of the following statements most accurately relates the properties of a liquid at room temperature with its intermolecular forces?
20 / 50
20. Which of the following statements is false?
21 / 50
The process of separating a pure substance from a solution is called _______
22 / 50
The temperature, above which a substances can exist only in gaseous state is called _________
23 / 50
The mathematical equation for Charles law can be written as ________
24 / 50
A skillful process of identifying. substituting and using correct apparatus appropriately in the laboratory is called _____
25 / 50
25. A liquid will "wet" a surface if: ______
26 / 50
The volume occupied by 1 mole of oxygen gas at s.t.p. is ________ dm3
27 / 50
27. Which of the following is not a colligative property?
28 / 50
28. An atom on the face-centre of a unit cell is shared by _________ unit cells.
29 / 50
The individual pressure of a gas in a mixture of gases is called ______
30 / 50
30. What is the average speed (actually the root-mean square speed) of a neon atom at 27 C?
31 / 50
The rate at which gases diffuse is inversely proportional to the Square root of their ____________
32 / 50
Physical Chemistry is concern with two major aspects, namely ability to change and _____
33 / 50
Constituents in a solution can be separated by applying the principle of ___________
34 / 50
Gas molecules confined to a container are in a state of ____________ motion
35 / 50
At high temperature and low pressure, gases tend to undergo phenomena that is called ___________
36 / 50
A homogenous materials that contain only one substance is called a ___________
37 / 50
A gas that obeys all the gas laws is called an ______
38 / 50
Numerical value of the universal gas constant is ____ J/K/mol
39 / 50
39. Which measurement describes the pressure of a gas?
40 / 50
40. The concentration of KBr in a solution prepared by dissolving 2.21 g of KBr in 897 g of water is __________ molal.
41 / 50
41. Which of these alkanes is expected to have the highest viscosity?
42 / 50
An expression for the combined gas law can be expressed as ________
43 / 50
At constant pressure, properties of gases that undergo changes are _______
44 / 50
44. A mixture of iron filings and copper filings could best be separated by _________
45 / 50
The gas law that explain the effusion of gas is ____________
46 / 50
The gas law that consider the total pressure of a gas as a function of the pressures exerted by the individual gases that make up the mixture is __________
47 / 50
_________ of a gas is proportional to the mean kinetic energy of the molecules in a gas
48 / 50
A plot showing the variation of volume with temperature at constant pressure is called __________
49 / 50
At low temperature and high pressure, gases tend to __________
50 / 50
At constant temperature, the gas law that is most suitable is called _____ law
Restart quiz
Rate this quiz
