CS01 Know Your Lab Equipment Quiz

CS01 Know Your Lab Equipment Quiz

In this exercise, you will test your knowledge of the laboratory and the conduct required of you in the laboratory. Make sure you know the following:

Common instruments used in the laboratory.
General conduct in the laboratory.
Reasoning using the principles of science.
The general rules for carrying out experiments.

Time limit: 0

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Question 1 of 20

1. Question
Which of the following is one of the reasons students are not allowed to wear earphones or earplugs in the laboratory?
- Students who wear earphones in the lab get ear infections.
- Music negatively affects the performance of all students.
- Students should be able to communicate and respond to and attend emergencies in the lab.
- Electronic music causes radiation poisoning.
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Question 2 of 20

2. Question
What is the name of the following instrument?
- stopwatch
- voltmeter
- ammeter
- Turing Machine
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Question 3 of 20

3. Question
What is the name of the following instrument?
- beaker
- test tube
- biurette
- volumetric flask
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Question 4 of 20

4. Question
What is the name of the following instrument?
- Ohmeter
- Digital Multimeter
- Analogue Multimeter
- Electric Calculator
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Question 5 of 20

5. Question
What is the name of the following instrument?
- Microscope
- Function Generator
- Digital Osciloscope
- Sewing Machine
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Question 6 of 20

6. Question
Which of the following describes the best connection for a voltmeter and an ammeter to a circuit?
- Voltmeter in parallel and ammeter in series.
- Both voltmeter and ammeter in parallel.
- Both voltmeter and ammeter in series.
- Voltmeter in series and ammeter in parallel.
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Question 7 of 20

7. Question
Which of the following apparatus is used in sequencing the Covid-19 virus in the laboratory.
- DNA analyzer
- Magnifying glass
- Stopwatch
- Venier calipers
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Question 8 of 20

8. Question
What does the word “apparatus” mean?
- Certified laboratory equipment.
- Any set of instruments that you use for a specific purpose.
- Analogue or non-computerized instruments only.
- Instruments that take measurements in standard units only.
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Question 9 of 20

9. Question
Which of the following instruments can you use to get a resistor’s rating?
- Ammeter
- Voltmeter
- Ohmmeter
- Resistometer
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Question 10 of 20

10. Question
Which of the following best explains the “accuracy” of an observed measurement in an experiment.
- How close the measured value is to other measured values.
- How close the measured value is to the true/actual value.
- How close the accurate value is to the true value.
- How pure the material used to make the instrument is.
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Question 11 of 20

11. Question
Which of the following equipment can you use to view the cross-section of a palisade cell?
- Microscope
- Magnifying Glass
- Goggles
- Screw Gauge
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Question 12 of 20

12. Question
You should take multiple measurements to improve the accuracy of the observation from an experiment.
- True
- False
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Question 13 of 20

13. Question
Which is not a necessary apparatus to melting a solid chemical compound in the laboratory.
- crucible
- tongs
- bunsen burner
- thermometer
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Question 14 of 20

14. Question
Pick the least suitable apparatus in investigating Ohm’s Law.
- ammeter
- voltmeter
- variable resistor
- digital oscilloscope
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Question 15 of 20

15. Question
Observations are the qualitative and quantitative details taken from an experiment.
- True
- False
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Question 16 of 20

16. Question
You drop a test tube by mistake. Which of the following best explains what you should do?
- Tell others to avoid the area of the spill whilst you go and inform the teacher.
- Quickly wipe the spill with the nearest cloth and throw away the glass.
- Throw distilled water onto the spill.
- Close the windows and write a report.
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Question 17 of 20

17. Question
Which of the following is a good practice in the laboratory?
- Make predictions about the experiment and compare with the actual results in the conclusion.
- Wear safety goggles every time you are in the laboratory.
- Always stock two of each instrument before starting the experiment.
- Do not smile when carrying out experiments.
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Question 18 of 20

18. Question
Which of the following best explains why distilled water is widely used in the chemistry laboratory?
- Distilled water is chemically neutral i.e. it contains no impurities.
- Distilled water speeds up the cleaning process.
- Distilled water gives the most noticeable colour changes.
- Distilled water is easy to access and is cheaper than tap water.
Correct

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Question 19 of 20

19. Question
What does the word “precaution” mean?
- An action taken to avoid or minimize error.
- A "danger!" label found on some chemical containers.
- Instructions that give the steps taken in an experiment.
- The data taken in an experiment.
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Question 20 of 20

20. Question
Students are encouraged to touch, smell, and taste chemicals when in the laboratory.
- True
- False
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