During the experiment, can the crucible and lid be touched with bare hands? (Choose all correct answers) No. If the crucible is still hot, a student can burn his or her hand. Yes. Gloves can be slippery, making it more dangerous to wear them in lab.
During the experiment, can the crucible and lid be touched with bare hands? (Choose all correct answers) No. If the crucible is still hot, a student can burn his or her hand. Yes. Gloves can be slippery, making it more dangerous to wear them in lab.
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter1: Introduction To Chemistry
Section: Chapter Questions
Problem 13STP
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Question
During the experiment, can the crucible and lid be touched with bare hands? (Choose all correct answers)
No. If the crucible is still hot, a student can burn his or her hand.
Yes. Gloves can be slippery, making it more dangerous to wear them in lab.
Yes. They are easier to transport to the balance room and bare hands do not introduce error into the experiment.
No. Dirt and oils on hands can add to the mass of the crucible.
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