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  1. In this case, you really need to ask why the doctor gave the cream to you. You may know that fusidic acid is an antibiotic that can kill ...

    分類:科學及數學 > 化學 2008年03月06日

  2. ...and oxygen gas. Then record the mass of and soild residue. For the data treatment , as silve oxide will decompose to give silver metal and oxygen gas, if all silve oxide is decomposed, the mass...

    分類:科學及數學 > 化學 2011年02月08日

  3. ...carbon, it can react with oxygen to produce carbon dioxide. However, on further treatment with water, it will react sparingly to give carbonic acid (weak acid), which should have a slightly lower pH, i.e. carbon...

    分類:科學及數學 > 化學 2011年10月31日

  4. ...only 1 Cl atom in the molecule. So, 33 of the MW will attributted to N and H. There are two possbilities: ...

    分類:科學及數學 > 化學 2007年04月16日

  5. ...cause serious symptoms except reduced sexual desire and possibly infertility. Treatment of low testosterone due to aging with testosterone replacement therapy(TRT) is controversial. ...

    分類:科學及數學 > 化學 2008年08月04日

  6. a.i. Chlorine is added to kill germs. ii. Calcium hydroxide is added to neutralize the acid in the water. b. Reduce the use of fossil fuels.

    分類:科學及數學 > 化學 2007年08月28日

  7. ... removal for municipal drinking water treatment . A ratio of Fe to As of 20:1 is recommended...potassium permanganate is the point that gives the longest contact time ahead of coagulation...

    分類:科學及數學 > 化學 2008年01月19日

  8. ... a perm, is the chemical and/or thermal treatment of hair to produce waves or curls. The... that which is waved, giving the impression that the permanent wave gradually ...

    分類:科學及數學 > 化學 2008年05月27日

  9. ... acidic; otherwise, your H-Y will deprotonate to give Y(-) anion. 2. If at acidic medium, one can expect the carbonyl...anion would first attack carbonyl carbon; you may need follow-up treatment by acids then.

    分類:科學及數學 > 化學 2012年09月02日

  10. ... fluoride compound into the water. Water with fluoride helps to protect our teeth 2c) Allow suspended particle to settle...

    分類:科學及數學 > 化學 2010年05月24日