AnswersChemistryTitration Reactions

Titration Reactions — Quiz Answers

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1
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Which instrument is most often used to measure acid volume before a titration begins?

A
a volumetric pipette
B
an Erlenmeyer flask
C
a burette
D
a beaker
2
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Which step accurately describes how to measure the final burette volume?

A
Locate the top of the meniscus and record volume to the nearest 0 point 1 milliliters .
B
Locate the bottom of the meniscus and record volume to the nearest 0 point 0 1 milliliters .
C
Locate the bottom of the meniscus and record volume to the nearest 0 point 1 milliliters .
D
Locate the top of the meniscus and record volume to the nearest 0 point 0 1 milliliters .
3

Which of the glassware shown is an Erlenmeyer flask?

A
Image with description A volumetric pipette
B
Image with description A beaker
C
Image with description A burette
D
Image with description A conical flask
4

Which of these is the main goal of any titration?

A
to determine the effects of a base on one of the products
B
to determine the concentration of one of the reactants
C
to observe the effect of indicators on bases
D
to observe the effect of indicators on acids
5

Which of these is the last step in performing a titration?

A
determining the concentration of an unknown base
B
finding the number of moles of product produced in a reaction
C
determining the molecular masses of the products in the reaction
D
finding out which pH indicator works
6

Which is the first step in the titration process?

A
Clean and rinse the burette with water.
B
Rinse the burette with standardized base solution.
C
Fill the burette with standardized base solution.
D
Read and record the initial burette volume.
7

Which of these would be the best reason to use titration for monitoring the effects of acid rain on drinking water?

A
to determine the molar ratio of acid to base in the drinking water
B
to determine the concentration of acid in drinking water
C
to find out if there are other poisonous chemicals in the drinking water
D
to find out if the drinking water contains helpful nutrients for the body
8

Which is an advantage of using chemical indicators?

A
They change color at specific temperatures.
B
They require the use of electricity.
C
They have very limited use.
D
They are inexpensive to use.
9

At what point is a base no longer added during a titration?

A
when the phenolphthalein remains clear in the flask
B
before the solution in the flask reaches the equivalency point
C
when the pH increases suddenly in the flask
D
before half of the base is completely drained from the burette
10

Which step accurately describes how to measure the final burette volume?

A
Locate the top of the meniscus and record volume to the nearest 0 point 1 milliliters .
B
Locate the bottom of the meniscus and record volume to the nearest 0 point 1 milliliters .
C
Locate the bottom of the meniscus and record volume to the nearest 0 point 0 1 milliliters .
D
Locate the top of the meniscus and record volume to the nearest 0 point 0 1 milliliters .
11

Which of the glassware shown is an Erlenmeyer flask?

A
Image with description A burette
B
Image with description A conical flask
C
Image with description A beaker
D
Image with description A volumetric pipette
12

Which instrument is most often used to measure acid volume before a titration begins?

A
a burette
B
a volumetric pipette
C
an Erlenmeyer flask
D
a beaker
13

Which of these is the main goal of any titration?

A
to determine the concentration of one of the reactants
B
to determine the effects of a base on one of the products
C
to observe the effect of indicators on acids
D
to observe the effect of indicators on bases
14

Which of these is the last step in performing a titration?

A
determining the concentration of an unknown base
B
finding the number of moles of product produced in a reaction
C
determining the molecular masses of the products in the reaction
D
finding out which pH indicator works
15

Which is an advantage of using chemical indicators?

A
They have very limited use.
B
They require the use of electricity.
C
They are inexpensive to use.
D
They change color at specific temperatures.
16

Which is the first step in the titration process?

A
Fill the burette with standardized base solution.
B
Read and record the initial burette volume.
C
Clean and rinse the burette with water.
D
Rinse the burette with standardized base solution.
17

At what point is a base no longer added during a titration?

A
when the pH increases suddenly in the flask
B
when the phenolphthalein remains clear in the flask
C
before half of the base is completely drained from the burette
D
before the solution in the flask reaches the equivalency point
18

Which of these would be the best reason to use titration for monitoring the effects of acid rain on drinking water?

A
to determine the concentration of acid in drinking water
B
to find out if the drinking water contains helpful nutrients for the body
C
to find out if there are other poisonous chemicals in the drinking water
D
to determine the molar ratio of acid to base in the drinking water
19

When are drops of indicator most likely added to the Erlenmeyer flask?

A
when filling the pipette with acid
B
when preparing to measure pH change
C
when recording the initial burette volume
D
when preparing the burette

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