Gravimetric Analysis Quiz
Authored by Laura Campbell
Chemistry
12th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a precipitation reaction in gravimetric analysis?
To dissolve the sample completely
To form an insoluble compound for measurement
To increase the solubility of the sample
To change the colour of the solution
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common filtration technique used in gravimetric analysis?
Distillation
Centrifugation
Vacuum filtration
Decantation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in sample preparation for gravimetric analysis?
Drying the sample
Dissolving the sample in a suitable solvent
Weighing the sample
Filtering the sample
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which instrument is most commonly used for mass measurement in gravimetric analysis?
Spring balance
Analytical balance
Beam balance
Digital scale
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the molar mass of a compound calculated?
By adding the atomic masses of all atoms in the compound
By dividing the atomic mass by Avogadro's number
By multiplying the atomic number by the number of atoms
By subtracting the atomic number from the atomic mass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using an analytical balance in gravimetric analysis?
To measure the volume of a liquid
To measure the mass of a sample with high precision
To measure the temperature of a solution
To measure the density of a solid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a key characteristic of a good precipitate in gravimetric analysis?
It should be highly soluble in water
It should be easily filterable
It should be volatile
It should be coloured
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