Science, asked by CaryNerval, 3 months ago

ACTIVITY 1
Instruction: List at least 5 materials, equipment and machinery and answer the given questions.
Materials/Equipment and
How to Clean?
How to transport?
Machine
1.
2.
3.
4.
5.

Answers

Answered by singhsanjaykumar590
7

Answer:

I think 2one is correct answer

Answered by ZareenaTabassum
0

The five instruments are the microscope, burette, UV spectrophotometer, HPLC, and scalpel.

  • Microscope: It is an instrument designed to view organisms that cannot be seen by the naked eye. This instrument is cleaned using a solvent like acetone especially the lens of the microscope.
  • Burette and scalpel: Burette is used in various titrations to determine the concentration of the unknown solution. It is cleaned by using water or alcohol. Scalpel is a surgical instrument used by surgeons which have to be cleaned by using alcohol for complete sterilization.
  • UV spectrophotometer: is an instrument used to determine the quantity and quality of the sample. It is cleaned by using ethanol.
  • HPLC: Is a chromatogram used to separate substances. The instrument is cleaned with 10% -20% of acetonitrile.
  • All these instruments are transported in boxes with safety measures to ensure that they do not break while transporting.
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