The dehydrating agent is concentrated H2SO4 which can extract 2 hydrogen &...
濃硫酸是可以由有機化合物內, 抽出2氫及1氧而做成一水來, 所以滴在皮膚上, 可抽去水份, 使皮膚有如火燒, 留下碳來! 自然破壞皮膚組織,
Sugar is sucrose which has a formula C12H22O11. In biology 課本講過兩個單糖 (monosaccharide, formula is C6H12O6) 會 combine to form a disaccharide (雙糖). Sucrose is made up of one glucose (C6H12O6) and one fructose...
The answer is (1) and (3) H2SO4 turns blue litmus paper red due the presence of H+ ions. Furthermore, it turns the litmus black as H2SO4 has a strong affinity for water. The litmus turns black as a result.
... by logic. You have known already that alcohol can be dehydrated to give alkene with hot conc. sulphuric acid. IF hot conc. ...
... or lost electrons and became a charged particle. 2. Dehydrating means removing water(Hydrogen and oxygen) from a compound such...
... agent? no oxidizing agents are used! you mean dehydrating agent? phosphorus(V) oxide and conc. sulphuric acid can be used...
Why are the space food dehydrated and refrigerated ? Foods must meet a number of criteria...
...6/249.6) = 3.18 g After heating to 120oC，it is dehydrated to CuSO4•nH2O Mass of CuSO4•nH2O = 13...
...也是酸性, 所以會令blue limus paper 變 red 同時, sulphuric acid有 dehydrating property(脫水性), 會把化合物中含水的物質抽離(*不一定是把水分子吸出, 是可以...
