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  1. ...打錯左?你係咪想講分辨濃硫酸和稀硫酸? 如果係, 可以用蔗糖, 因為只係濃硫酸係 dehydrating agent, 可以將某一compound裡面嘅H同O 2比1 咁抽出, 蔗糖的formula係...

    分類:科學及數學 > 化學 2007年08月11日

  2. ... tocopherols, beet pulp, sun-dried tomato pomace, whole flaxseeds, dehydrated alfalfa, dehydrated yeast culture, natural flavour, lecithin, choline chloride...

    分類:寵物 > 2008年03月26日

  3. ... not have other properties of concentrated one like oxdizing, dehydrating and involatility. Similar to conc. HNO3, conc. H2SO4 can also...

    分類:科學及數學 > 化學 2007年03月03日

  4. ... Lactose,Carrot,Green Onion), Dehydrated Chuttlefish, Dehydrated Egg,Salt,Flavour...

  5. I think you may be in form 2 In f2 level, only hexahydrate cobalt(II) chloride paper(contain hexahydrate cobalt(II) chloride solution) will turn from pink to blue by dehydrating it The use of hair dryer is dehydrating .

    分類:科學及數學 > 化學 2011年10月08日

  6. a. conc. H2SO4 have the dehydrating property.The litmus paper maybe is a organic substance which contain carbon and...

  7. ... terms are quite similar that can absorb water. However, dehydrating is the properties to remove water from a stable substance, while hygroscopic...

    分類:科學及數學 > 化學 2011年11月18日

  8. ...and diluted H2SO4. While conc. H2SO4 is a dehydrating agent which dehydrates cane sugar to give carbon and water. C12H22O11...

    分類:科學及數學 > 化學 2007年07月03日

  9. ... experimentally. A dry hydrated salt is weighed, then dehydrated in an oven at suitable temperature. The dehydrated salt is ...

    分類:科學及數學 > 化學 2015年05月01日

  10. 我會寫D A.concentrated nitric acid 冇 dehydrating property. conc.sulpuric acid先有 B.唔可以用黎acidify potassium permanganate solution...

    分類:科學及數學 > 化學 2007年03月04日