rigadin Posted May 28, 2007 Posted May 28, 2007 I love doing experiments myself but I can't think of many Can you give me some examples!! Is there any website where I can find different experiments. Thanks
YT2095 Posted May 28, 2007 Posted May 28, 2007 yes, Here! I don`t suppose you used our Search Engine did you? it might also be helpful if you specify an Area of interest too
imp Posted June 2, 2007 Posted June 2, 2007 I love doing experiments myself but I can't think of manyCan you give me some examples!! Is there any website where I can find different experiments. Thanks As a kid with a chemistry set, I discovered that sodium nitrite and sulfur when mixed are easily ignited to burn with a beautiful yellowish-orange color. imp
grifter Posted June 2, 2007 Posted June 2, 2007 sulphur emits a blue flame when burnt (and becomes a red liquid, good for tricking teachers, ahh sir I've cut myself) I think you may have been burning sodium as oppose to sodium nitrate, as under the old flame test sodium burns a vibrant yellowey orange... as oppose to sodium nitrate which is un-flamable
YT2095 Posted June 2, 2007 Posted June 2, 2007 NitrIte and NitrAte of sodium are Both oxidizers, Sulpher is a Reductor. they Will react.
alan2here Posted June 2, 2007 Posted June 2, 2007 http://www.scienceforums.net/forum/showthread.php?t=10651 Verry usefull thread
imp Posted June 3, 2007 Posted June 3, 2007 NitrIte and NitrAte of sodium are Both oxidizers, Sulpher is a Reductor. they Will react. YT, while I'm thinking of it, (old age dementia, you know), many pyrotechnic mixtures require a bit of sulfur to enable the mixture to take fire from the "spit" of a black powder fuse. One that comes to mind is the commonly used potassium perchlorate-aluminum mix; without a dash of sulfur, it's very difficult to initiate. How does the presence of sulfur allow the reaction to begin so much more easily? imp
gLy Posted June 29, 2007 Posted June 29, 2007 um, try using fruits as source of electricity or using mahogany leaf extract as molluscicide<did i spell it right?> well, the extract works for golden kuhol and snails..i don't know what it still does
thatoneguy Posted July 6, 2007 Posted July 6, 2007 a few fun things 1 youll need gel caps calcium carbide liquid soap, and water for this fill 1 gel cap with calcium carbide(aka bangsite i belive) set that aside, then make a LAYER of soap on top of the water then place the gel cap in the water and watch all the bubbles form, then if you really want you can make a loud bang by "safely" trowing a match into the bubbles OR grind up some KNO3 and sugar (2-1) and watch all the lilac flames and smoke pour out upon ignition, if its contained well enough this can be use in small cannons OR you could make a hails rocket which use inline fins which are curved to spin the rocket giving it stabillity
fattyjwoods Posted October 4, 2007 Posted October 4, 2007 This is a good expirement if you have the materials It’s fairly simple Have a mixture of potassium iodide mixed with water. Then pour a mixture of lead nitrate and water. It makes this pretty yummy mixture of yellow lead iodide, it looks like lemon juice and makes you want to drink it soo bad – DO NOT DRINK – TOXIC. and if you heat it and cool it it forms these sparkling crystals that float in the lead iodide
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