Electrochemical Sensors Quiz

Electrochemical Sensors Quiz

12th Grade

10 Qs

quiz-placeholder

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Electrochemical Sensors Quiz

Electrochemical Sensors Quiz

Assessment

Quiz

Chemistry

12th Grade

Medium

Created by

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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