Alkali metals
halogens
noble gases
solids at room temperature
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Chemistry, 21.06.2019 17:00, dayjionneam
In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification
Answers: 2
Chemistry, 22.06.2019 17:00, abbygailgo674
How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
Answers: 1
Physics, 15.12.2019 09:31
Mathematics, 15.12.2019 09:31
Mathematics, 15.12.2019 10:31
Mathematics, 15.12.2019 10:31