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Titration
Quiz 2
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Q.1
Which apparatus would you use to add a solution to the conical flask during a titration
Burette
Volumetric Pipette
Measuring Cylinder
Volumetric flask
Q.2
Which apparatus would you use to measure an exact volume of a solution
Burette
Volumetric Pipette
Measuring Cylinder
Volumetric flask
Q.3
Which apparatus would you use to prepare a standard solution
Burette
Volumetric Pipette
Measuring Cylinder
Volumetric flask
Q.4
Which solution would you place in a burette
Standard solution
Unknown concentration solution
Indicator
Q.5
Which solution would you place in a volumetric flask
Standard solution
Unknown concentration solution
Indicator
Q.6
Which solution would you place in a conical flask
Standard solution
Unknown concentration solution
Both A & B
Indicator
Q.7
Which of the following indicators can be used in titration
Phenolphtalein
Universal indicator
Methlyorange
Litmus solution
Q.8
What is the endpoint
When the indicator is added
When neutralisation occurs
When the standard solution is prepare
Q.9
Which of the following is not good to be used as standard
sodium carbonate
sodium hydroxide
potassium hydroxide
potassium carbonate
Q.10
Using m = n/m, calculate the mass of sodium chloride required to prepare 2.2 m sodium chloride solution using 3.8 kg solvent. Given MM of sodium chloride isg/mol.
480 g
485 g
500 g
490 g
Q.11
Using n = MV, calculate the mass of sodium phthalate required to prepare 1.2 L of 1.M solution. Given MM of sodium phthalate isg/mol.
483 g
48.3 g
500 g
Q.12
Determine the mass of phenolphthalein required to prepare 3.phenolphthalein solution
3.2 g
3.2 kg
0.32 g
32 2
Q.13
In precipitation titration, the silver atom will form an insoluble salt. What is the colour of the salt?
yellow
green
red
white
Q.14
Choose the definition for base according to Bronsted-Lowry
a compound that donates electron
a compound grieves at the lost of electrons
a compound that accepts electron
Q.15
Define the oxidation process
the process of gaining electrons
the process of losing electrons
the process of sharing electrons
the process of hoarding electrons
Q.16
Choose the definition of an acid according to Bronsted-Lowry
a compound that accepts electron
a compound that donates electron
a compound that donates proton
Q.17
Water can behave as both acid and base. What is the term used to define this behaviour?
amphiprotic
amprotic
protongenic
protophilic
Q.18
What does the word aqueous mean?
does not contain water
contains water
Q.19
Choose the reason why non-aqueous titration is necessary
The interference of water between weak acid and strong base titration and vice versa
The interference of acid between weak acid and strong base titration and vice versa
The interference of base between weak acid and strong base titration and vice versa
Q.20
For the acid-base titration combination of NaOH with 0.mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl.
0.79 mol
1.6 mol
0.38 mol
3.2 mol
0 h : 0 m : 1 s
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