急急急急急急!!!!!化學實驗室儀器一問.....(20分)

1)Test tubes are widely used by chemists to hold, mix, or heat small quantities of solid or liquid chemicals, especially for qualitative experiments and assays.

2)test tube rack is used to hold the tset tube.

3)test tube holder is used to hold the hot tset tube or to hold the tset tube which is boiling.

4)A beaker is a simple container for stirring, mixing and heating liquids.

5)Used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks.

6)A glass rod is used to mix chemicals and liquids for laboratory purposes.

7) used as laboratory glassware, mostly for chemical or biochemical work.

8)used for making solutions or for holding, containing, collecting, or sometimes volumetrically measuring chemicals, samples, solutions, etc.

10)used for separating solids from liquids via the laboratory process of filtering.

11)for measuring the volum of water or Chemical solution.

13)to avoid detection by virus scanners or the dropper may download the malware to the target machine once activated (two stage).

16)is used to transfer little solid.

17)is used to hold the beaker.

18)is used to support the wire gauze and the beaker.

19)to heat the material that need in the laboratory.

20)to protect the banch.

23)used for metal, glass, and pigment production as well as a number of modern laboratory processes, which can withstand temperatures high enough to melt or otherwise alter its contents.

24)to hold the soild when the solid is heat.

25)used to crush, grind, and mix solid substances .

26)to protect our eyes when heating.

28) It is used to separate crude oil into more fractions for specific uses such as transport, power generation and heating.