
Electrochemical Sensors Quiz
Quiz
•
Chemistry
•
12th Grade
•
Medium
jyoti bagalkoti
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principle behind electrochemical sensors?
Electrochemical sensors measure the temperature of a substance.
Electrochemical sensors detect the presence of electromagnetic waves.
Electrochemical sensors rely on mechanical vibrations to detect chemicals.
Electrochemical sensors convert a chemical reaction into an electrical signal.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main types of electrochemical sensors?
galvanic sensors and coulometric sensors
potentiometric sensors and amperometric sensors
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do electrochemical sensors detect analytes?
By analyzing the sound waves produced by the analyte.
By measuring the temperature changes caused by the analyte.
By using optical sensors to detect changes in light intensity.
By measuring the electrical current or potential generated during a chemical reaction between the analyte and the sensor's electrode.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the working electrode in an electrochemical sensor?
Facilitates the electrochemical reaction
Provides a reference potential
Measures the concentration of analyte
Generates electrical current
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the reference electrode in an electrochemical sensor?
To protect the working electrode from corrosion.
To provide a source of electrical current for the sensor.
To provide a stable and known potential against which the potential of the working electrode can be measured.
To measure the concentration of the analyte in the sample.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the counter electrode in an electrochemical sensor?
To measure the concentration of the analyte
To generate the electrochemical signal
To complete the circuit and provide a pathway for the flow of electrons
To prevent the flow of electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the advantages of using electrochemical sensors?
Electrochemical sensors have a slow response time and high power consumption.
Electrochemical sensors have low sensitivity and accuracy.
Electrochemical sensors are expensive and not cost-effective.
Electrochemical sensors offer high sensitivity, selectivity, accuracy, fast response time, low power consumption, and can detect a wide range of analytes.
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