Chemistry
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Maurice's user avatar
Maurice's user avatar
Maurice
  • Member for 4 years, 1 month
  • Last seen this week
  • EPFL, Lausanne, Switzerland
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I am a retired high school chemistry teacher. I was also President of the Swiss Association of Natural Sciences Teachers. I am a specialist of chemical demonstrations. I have registered six DVD about chemistry demonstrations to be done in the classroom with test tubes and beakers.

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All Questions Answers
Score Newest
answer
43
How to differentiate between iron and sodium flames?
Sep 20, 2020
answer
28
At what pressure will hydrogen start to liquefy at room temperature?
Sep 21, 2020
answer
20
What is going on in and below a yellow or blue gas flame?
Dec 1, 2021
answer
18
What causes plastic to become brittle and can it be softened again?
Oct 10, 2021
answer
17
What is this copper compound I made?
Apr 22, 2020
answer
14
Tin(II) chloride electrolysis problems: (1) Why is the tin dendritic? (2) Why does the unconnected metal in the middle also act like an electrode?
Oct 17, 2021
answer
14
How to separate Cu and Ni from alloy containing different metals such as Al, Cu, Ni, (Zn, Pb, Sn < 5%)?
Jul 12, 2021
answer
13
Why isn't my electrochemical cell producing its potential voltage
Jan 10, 2021
answer
13
How to distinguish silver chloride, bromide and iodide?
Aug 13
answer
12
Why is silver cyanide used for electroplating
Dec 23, 2022

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