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shajahan 3
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1 year, 7 months ago

what is meant by phenolphtalin & iycopodium?

its a combination of chemicals......
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brendonbarnett | 1 year, 7 months ago
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Phenolphthalein is commonly used in titrations or the process of determining the unknown concentration of a reactant.

Lycopodium is a clubmoss that is named particularly for the spores contained in the leaves.

Lycopodium can be refined into a powder that becomes extremely flammable, but I'm not sure how the two substances are related. Are you are trying to induce some specific chemical reaction? Without more information, I'm not sure I can be of any help.

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knowsalot | 1 year, 7 months ago
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Phenolphthalein is an indicator for the presence of a base in a solution. It will turn bright pink if a base is present. Phenolphthalein also used to be the active ingredient in Ex-Lax, a common laxative. The makers of Ex-Lax now use Senna (a plant derived natural laxative) instead, since Phenolphthalein was found to be a possible carcinogen (might cause cancer).

Lycopodium powder is some interesting stuff. The tan powder is the spore of a moss plant, and has unusual properties. If you sprinkle Lycopodium on water, it spreads out over the surface. When you stick your finger down into the water, the powder forms a barrier between the water and your finger. When you pull out your finger, it will be dry! Also, Lycopodium powder is QUITE flammable when mixed with air. We did a haunted house for a chemistry event, and it went something like this:

We carved a jack-o-lantern out of a pumpkin, and placed a funnel inside connected to a tube that we could blow air through. We poured some Lycopodium powder into the funnel, lit a small candle inside the pumpkin, and put the lid on the pumpkin. When people would walk by, somebody would blow through the hose, launching the Lycopodium powder into the air in the pumpkin. When it hit the flame of the candle, it ignites and blasts flame about 6 inches out the face of the jack-o-lantern! Scares people half to death!! If you try this, be sure to keep people a safe distance away. If you don't have Lycopodium powder available, powdered coffee creamer works well, and fine flour might too. Be careful.

Hope this answers your question, and Happy Halloween!

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