Ключевые слова: alcohol, analysis, analyze, and, background, beaker, blue, bluepurple, bright, chemical, chemist, chemistry, equipment, flask, fluid, glass, glassware, gloves, group, hands, heat, industry, instrument, lab, laboratory, lamp, liquid, preparation, reagents, research, science, scientific, spirit, spiritlamp, syringe, technology, test, testtube, testtubes, toxic, transparent, tube, tubes,