Which of the following steps indicate how to correctly set up the apparatus? (Select all that apply.) a. Rest the eudiometer tube against the side of the beaker at a diagonal angle. b. Fill the eudiometer tube all the way to the brim with water. c. Immerse the stoppered end of the eudiometer tube into a beaker of water. O d. Hang the wire cage into the eudiometer tube and hold it in place with a rubber stopper. O e. Fill the eudiometer tube three-quarters full with water, then add 10 mL of acid. QUESTION 4 Which of the following steps are necessary to the preparation of the magnesium strip? (Select all that apply.) O a. Winding a copper wire tightly around the rolled-up strip. O b. Recording the exact mass of the strip prior to scraping it. O. Loosely folding the strip into a ball. | d. Scraping away the layer of oxidation on the strip. O e. Threading a copper wire through the rolled-up strip. QUESTION 5 What is the first action you should take if a chemical splashes onto your forearm? O a. Locate the appropriate neutralizing agent from the spill kit and apply it to your arm. O b. Wash your arm thoroughly with soap and hot water. O c Inform your lab instructor about the accident. d. Rinse your arm with cold deionized water. e. Rinse your arm with cold tap water.
Which of the following steps indicate how to correctly set up the apparatus? (Select all that apply.) a. Rest the eudiometer tube against the side of the beaker at a diagonal angle. b. Fill the eudiometer tube all the way to the brim with water. c. Immerse the stoppered end of the eudiometer tube into a beaker of water. O d. Hang the wire cage into the eudiometer tube and hold it in place with a rubber stopper. O e. Fill the eudiometer tube three-quarters full with water, then add 10 mL of acid. QUESTION 4 Which of the following steps are necessary to the preparation of the magnesium strip? (Select all that apply.) O a. Winding a copper wire tightly around the rolled-up strip. O b. Recording the exact mass of the strip prior to scraping it. O. Loosely folding the strip into a ball. | d. Scraping away the layer of oxidation on the strip. O e. Threading a copper wire through the rolled-up strip. QUESTION 5 What is the first action you should take if a chemical splashes onto your forearm? O a. Locate the appropriate neutralizing agent from the spill kit and apply it to your arm. O b. Wash your arm thoroughly with soap and hot water. O c Inform your lab instructor about the accident. d. Rinse your arm with cold deionized water. e. Rinse your arm with cold tap water.
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.24QAP
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Transcribed Image Text:Which of the following steps indicate how to correctly set up the apparatus? (Select all that apply.)
O a. Rest the eudiometer tube against the side of the beaker at a diagonal angle.
O b. Fill the eudiometer tube all the way to the brim with water.
O c. Immerse the stoppered end of the eudiometer tube into
O d. Hang the wire cage into the eudiometer tube and hold it in place with a rubber stopper.
O e. Fill the eudiometer tube three-quarters full with water, then add 10 ml of acid.
beaker of water.
QUESTION 4
Which of the following steps are necessary to the preparation of the magnesium strip? (Select all that apply.)
O a. Winding a copper wire tightly around the rolled-up strip.
O b. Recording the exact mass of the strip prior to scraping it.
O c. Loosely folding the strip into a ball.
O d. Scraping away the layer of oxidation on the strip.
O e. Threading a copper wire through the rolled-up strip.
QUESTION 5
What is the first action you should take if a chemical splashes onto your forearm?
O a. Locate the appropriate neutralizing agent from the spill kit and apply it to your arm.
O b. Wash your arm thoroughly with soap and hot water.
O c. Inform your lab instructor about the accident.
O d. Rinse your arm with cold deionized water.
O e. Rinse your arm with cold tap water.
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