Qualitative Analysis | Test for Cations

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  1. Mr. Jansen Tan
  2. Chemistry
  3. Qualitative Analysis
  4. Test for Cations
  5. Cation Tests
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Комментарии
Автор

I guess you should have added the observations of each test because people actually find difficulties in differentiating some of the observation like the white chalky ppt, white gel ppt and the coloured ppt.

mercyheneson
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PERFECT Mr Jansen !!! And I like the catchy tunes to go with it !!! Definitely going to be helpful in my Online Class today for my F5 students as they prepare for their SPM Practical Exams this Tuesday, 15th Feb 2022 !!

boofang
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just wondering: for each set of tubes, the salt solution is inside( Zn2+, Al3+, Pb 2+, Ca 2+, Fe3+, Fe2+, Cu2+, NH4+), while the addition solution are NaOH and NH3. is it correct?

AmyYTZhang
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What are the concentrations/molarities in each tube, and in the solutions that you are adding?

rogerbro
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Thank you very much! Your video so helpful for online teaching)

vtnfisj
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Nice video! II want use it for my students! But could you explain please why you are using NH3? Or it is NH4OH?

olhakravtsova