Chemical Forums
Chemistry Forums for Students => High School Chemistry Forum => Topic started by: nptthug_30 on May 12, 2004, 07:05:49 PM
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1. a graph of the pH of a solution of a strong acid as strong as a base is added until the solution is made basic
2. a sample of material which completes the following equation: Na2CO3 + 2HCI--> 2NaCl + ____ +CO2
3. a sample of a substance containig dimethyl ketone
4.a sample of a substance containing magnesium silicate
5.a sample of food that contains the saturated fatty acid, butyric acid
6. a sample of an alchol other than ethanol
7.a sample of an alkaloid ???
8.a sample of a food additive and its purpose
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:diespam:
I'm not sure if this is a typo or just miss reading the sheet, but i think that HCI should be HCl hyrodgen chloride/hydrochloric acid.
If you go to a search engine and type in those other ones you should be able to get what you need. If not there, then this site should give you some answers:
www.webelements.com (http://www.webelements.com)
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8. EDTA-- food perservative
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3. Dimethyl ketone is acetone. Therefore, fingernail polish remover would work.
4. I think Celite has magnesium silicate. Could be wrong.
5. Butter. Butyric acid is the chemical that gives rancid butter its smell.
6. Wood alcohol: methanol. Obtained by destructive distillation of wood.
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2. Water
7. Apple seeds. They contain Amygdalin which is a very poisonous alkaloid.