Q.1
Which of the following is a conjugate acid/base pair?
  • HCl/OCl-
  • H2SO4/SO42-
  • NH4+/NH3
  • H3O+/OH-
Q.2
Changes the color of indicators.
  • Acids
  • Bases
  • All
Q.3
Acid + base ₋>
  • salt + hydrogen
  • salt + water
  • salt + carbon dioxide + water
  • salt
Q.4
What is the purpose of a titration?
  • To find the pH of an acid
  • To find the concentration of an unknown acid or base
  • To find the volume of an unknown acid or base
  • To find the pH of a base
Q.5
What color is phenolphthalein in a base?
  • colorless
  • pink
  • blue
  • green
Q.6
What is the purpose of an "indicator"?
  • changes color if a chemical reaction occurs
  • changes color if a physical change occurs
  • changes color in the presence of an acid or base
  • changes color when a salt dissolves in water
Q.7
Which pH is considered neutral?
  • 1
  • 3
  • 7
  • 14
Q.8
Scale that measures how acidic or basic something is.
  • aH
  • bH
  • pH
  • Hp
Q.9
Which of the following would be the strongest acid
  • NaOH
  • HF
  • H2SO4
  • Ca(OH)2
Q.10
Using n = MV, calculate the mass required to prepare 2.5 L of 1.0 M NaOH solution. Given the MM for NaOH isg/mol
  • 1000 g
  • 100 g
  • 10 g
  • 1 kg
Q.11
What is the purpose of indicator solutions?
  • To signal the end of a reaction
  • To colour the solution
  • To complete the reaction
  • To equivalent the reaction
Q.12
In acid-base titration, the equivalent point is when
  • a certain amount of acid has reacted completely with a certain amount of base according to stoichiometry
  • a certain amount of acid has reacted partially with a certain amount of base according to stoichiometry
Q.13
The following are types of titration, EXCEPT
  • Gravimetric
  • Acid base
  • Comlpexometric
  • Precipitation
Q.14
Using n = MV, calculate the number of moles of sodium chloride in a 1.7 L solution of 0.M.
  • 0.456 mol
  • 0.234 mol
  • 0.643 mol
  • 0.595 mol
Q.15
The concentration of the 30ml of citric acid solution is determined to be 1.M. Using the titration equation, predict the titration volume for the standard solution of 2.3 M.
  • 14 ml
  • 15 ml
  • 16 ml
  • 17 ml
Q.16
What is the concentration of citric acid if its volume isml and the titrated volume of the standard solution of 0.M is 12.4 ml
  • 0.47
  • 0.37
  • 0.30
  • 0.17
Q.17
In the titration equation, M1V1 = M2Vwhat is M?
  • Molarity
  • Concentration
  • Amount of solution
  • Both A & B
Q.18
The tirant is also known as_________
  • Standard solution
  • Saturated solution
  • Concentrated solution
  • Super solution
Q.19
The name of the apparatus used for holding the titrant is__________
  • Conical flask
  • Burette
  • Pipette
  • Volumetric flask
Q.20
Volumetric analysis can be defined as_____________
  • The determination of the identity of the solution
  • The determination of the mole of a mixture with a known solution
  • The determination of the concentration of a solution using a solution of known concentration
0 h : 0 m : 1 s