Unit 3 and 4 Exam Review Grade 11 University Chemistry

Unit 3 and 4 Unit 3 and 4 Exam ReviewExam Review

Grade 11 University Grade 11 University ChemistryChemistry

Multiple ChoiceMultiple Choice

1)1) A 10g sample of sugar is dissolved in A 10g sample of sugar is dissolved in 150g of water. The sugar and water 150g of water. The sugar and water are referred to, respectively, as the:are referred to, respectively, as the:

a)a) solvent and solutesolvent and solute

b)b) solution and solventsolution and solvent

c)c) solute and solventsolute and solvent

d)d) solution and solutesolution and solute


2) Which of the following would 2) Which of the following would be insoluble in water?be insoluble in water?

a) lead (II) nitratea) lead (II) nitrateb) sodium hydroxideb) sodium hydroxidec) iron (II) bromidec) iron (II) bromided) mercury (II) chlorided) mercury (II) chloride


3)3) A solution that contains more solute A solution that contains more solute than can normally be dissolved in the than can normally be dissolved in the solvent at a particular temperature is solvent at a particular temperature is calledcalled

a) unsaturateda) unsaturated

b) saturatedb) saturated

c) supersaturatedc) supersaturated

d) polyunsaturated.d) polyunsaturated.


4) 4) The concentration of a solution may The concentration of a solution may be defined as:be defined as:

a) moles of solute per moles of a) moles of solute per moles of solventsolvent

b) moles of solute per litre of solutionb) moles of solute per litre of solution

c) moles of solute per litre of solvent c) moles of solute per litre of solvent

d) moles of solute per mole of solutiond) moles of solute per mole of solution


5)5) If a relatively small amount of If a relatively small amount of solute is dissolved in a relatively solute is dissolved in a relatively large amount of solvent, the large amount of solvent, the solution is said to besolution is said to be

a) dilutea) diluteb) an electrolyteb) an electrolytec) supersaturatedc) supersaturatedd) concentratedd) concentrated


6) 6) The ions formed when The ions formed when magnesium bromide dissolves magnesium bromide dissolves in water arein water are

a) Mga) Mg2+2+, 2Br, 2Br--

b) Mgb) Mg2+2+, Br, Br2-2-

c) Mgc) Mg++, Br, Br2-2-

d) Mgd) Mg++, Br, Br--


7)7) The spectator ions in this reaction are:The spectator ions in this reaction are:

Pb(NOPb(NO33))22(aq) + 2KI(aq) (aq) + 2KI(aq) PbI PbI22(s) + 2KNO(s) + 2KNO33(aq)(aq)

a) Pba) Pb2+2+(aq), NO(aq), NO33(aq) and I(aq) and I(aq)(aq)

b) Kb) K++(aq)(aq)c) Pbc) Pb2+2+(aq) and I(aq) and I(aq)(aq)

d) NOd) NO33(aq) and K(aq) and K++(aq)(aq)


8)8) The pH for a solution that contains The pH for a solution that contains 2.35 x 102.35 x 10-4-4 mol/L of H mol/L of H33OO++ is is

a) 3.63a) 3.63

b) 3.71b) 3.71

c) 4.37c) 4.37

d) 4.00d) 4.00


9)9) A solution which contains an A solution which contains an equal number of hydronium ions equal number of hydronium ions and hydroxide ions isand hydroxide ions is

a) an acidic solutiona) an acidic solutionb) a basic solutionb) a basic solutionc) a neutral solutionc) a neutral solutiond) a solid solutiond) a solid solution


10)10)The statement “The volume of a fixed The statement “The volume of a fixed mass of gas is inversely proportional mass of gas is inversely proportional to the pressure, provided the to the pressure, provided the temperature remains constant.” is temperature remains constant.” is referred to as:referred to as:

a) Gay-Lussac’s Lawa) Gay-Lussac’s Lawb) Boyle’s Lawb) Boyle’s Lawc) Charles’ Lawc) Charles’ Lawd) Dalton’s Law d) Dalton’s Law


11) The expression “absolute zero” 11) The expression “absolute zero” refers to refers to

a) the temperature at which a) the temperature at which water freezeswater freezesb) –273 Kb) –273 Kc) 0c) 0ooCCd) 0 Kd) 0 K


12)12) Hydrogen gas and fluorine gas are in Hydrogen gas and fluorine gas are in identical containers at STP. Which of the identical containers at STP. Which of the following is true?following is true?

a) The number of moles are equal.a) The number of moles are equal.b) There will be more moles of hydrogen b) There will be more moles of hydrogen because because it is a smaller molecule.it is a smaller molecule.c) There will be more moles of fluorine c) There will be more moles of fluorine because it because it has a larger molar mass.has a larger molar mass.d) There is not enough information given to d) There is not enough information given to

answer the question.answer the question.


13)13) At 20At 20ooC, a moving piston C, a moving piston reduces the volume of a cylinder by reduces the volume of a cylinder by a half. The pressure inside the a half. The pressure inside the cylindercylinder

a) will decrease by one halfa) will decrease by one halfb) will doubleb) will doublec) will increase by one halfc) will increase by one halfd) will remain the samed) will remain the same


14)14) A balloon is at room temperature. If A balloon is at room temperature. If the temperature is increased, and the the temperature is increased, and the pressure is decreased, which of the pressure is decreased, which of the following will happen?following will happen?

a) Nothing. a) Nothing.

b) The volume will increase.b) The volume will increase.

c) The volume will decrease.c) The volume will decrease.

d) The volume will increase, then decrease.d) The volume will increase, then decrease.


15)15) If a sealed one litre jar of gas If a sealed one litre jar of gas is cooled, the moleculesis cooled, the molecules

a) move farther aparta) move farther apartb) collide more often with the b) collide more often with the walls walls of the jarof the jarc) increase their vibrational c) increase their vibrational motionmotiond) move more slowlyd) move more slowly


16)16) Molecular motion that occurs Molecular motion that occurs when the molecule moves from when the molecule moves from one place to another is calledone place to another is called

a) translational motiona) translational motion

b) rotational motionb) rotational motion

c) vibrational motionc) vibrational motion

d) transversal motiond) transversal motion

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Unit 3 and 4 Exam Review Grade 11 University Chemistry