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Results tagged with everyday-chemistry
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user 1677
Applications of chemistry to reagents, reactions and processes of everyday life. Use this tag for question on chemistry in an out-of-laboratory/class context. DO NOT use this tag merely because the question is about simple chemistry.
4
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2
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622
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How does lye appear in ashes?
One of the oldest recipes to create lye is this one:
Take well burnt ashes and put them in a barrel
Fill the rest of the barrel with water
Leave the suspension for a week or two
You can now try the …
- 2,538
6
votes
1
answer
984
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Why is sugar used in low-cost homemade rockets?
I was thinking about making a "rocket candy". It's relatively inexpensive rocket based on sugar and some oxidiser, mostly $\ce{KNO3}$.
The fuel is usually formed by heating the mix of both compounds …
- 2,538
5
votes
1
answer
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Simple and cheap anti-graffiti layer based non-paint solvent
I have this issue with a group of people intentionally damaging a bench. So far, they would paint curses over the bench with permanent marker. However after I removed the curses with ethanol, they dam …
- 2,538
6
votes
1
answer
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How does potassium nitrate work as an oxidiser?
Potassium nitrate is very popular compound in pyrotechnics, used as an oxidiser. It can be mixed with sugar to make a "rocket candy", with coal and sulphur to form black powder. You can stick it on ro …
- 2,538
5
votes
1
answer
8k
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Prevent molten glass from cracking when cooling down
My mother works in a ceramics workshop. Besides giving lessons she creates various ceramic dishes, cups and plates. She often uses the effect of colored glass melting in the product and then leaving b …
- 2,538
19
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5
answers
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How to dissolve candle wax (paraffin)?
Wikipedia states that waxes can be dissolved by non-polar organic solvents.
I failed to dissolve candle wax in both acetone and ethanol, which are the only organic solvents I have at home.
I have s …
- 2,538
10
votes
4
answers
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Which electrodes do not corrode at all?
I had used spare pieces of metal to perform electrolysis. They all had the disadvantage that they corrode when used as anode - and some of the oxides are toxic (copper, chromium).
I've found that car …
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