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The Chemistry FAQs section is actually one of the more recent additions to About's Chemistry site, though you can tell by the volume of questions/answers, it's one of the areas I really enjoy expanding. Do you know the answers to these chemistry-related questions? If not, the answer is only a click away:


October 23, 2008 at 5:49 am
(1) Amitanjan Roy Chowdhury says:

How do I react citrazzinic acid with phosphorus oxychloride ?

December 9, 2008 at 5:27 pm
(2) knkøkn says:

gcse level!!!!????

July 11, 2009 at 10:05 am
(3) sayali says:

what is the difference between iso & secondary compounds

May 2, 2011 at 12:56 pm
(4) hiteshrock says:

the iso does ragistrat at all world but secondry compaunds not fully ragistry at world

May 24, 2011 at 2:45 pm
(5) dace says:

lol lol lol lol lol lol lol lol lol lol lol lol lollol

July 16, 2009 at 1:02 pm
(6) Chris says:

How would I seperate two substances say vodka and shampoo without loosing the alcohol content?

October 26, 2010 at 3:34 pm
(7) charlene says:

If you are asked to make a mixture of 10% hydrogen in nitrogen in a cylinder at 2000 Psi what would be the pressure of the Hydrogen?

November 13, 2010 at 4:38 am
(8) kayodeolatunji says:

what thery explains the shape of orbitals

November 28, 2010 at 1:39 pm
(9) Dan says:

I am completly confused with the Double Replacement Equations, with the coefficients I need to put in front of.

February 17, 2011 at 5:55 am
(10) Bhooshan Bhavsar says:

What is long form of ALC

March 1, 2011 at 10:56 am
(11) ashley says:

what is the expression for Kb for the reaction C5H5N(aq) + H2O(l) C5H5NH + (aq) + OH-(aq)?

May 9, 2011 at 12:34 pm
(12) rishabh says:

what is the difference between organic chemistry and inorganic chemistry?????????????

November 24, 2011 at 7:11 pm
(13) mazen zamzam says:

please answer me i have an exam

1-Calculate the pH in the titration of 20 ml of 0.1 M H3PO4 after the addition of the following volumes of 0.1 M NaOH, 0, 10, 20, 30 and 40 ml.

2- in the determination of iron(II) chloride is often used to reduce iron(III) chloride. Write the balanced equation for the reaction.

3- what is the pH range over which the ammonia-ammonium chloride buffer system is useful? (Kb = 1.8 ×10-5)

March 18, 2012 at 10:36 pm
(14) Parth says:

What are frequency and wavelength of a photon emiitted during a transition from the n=5 state to n=2 state in hydrogen atom.

October 24, 2012 at 10:29 am
(15) Sherri milford says:

When making candle tarts, how do i get the fragrance to last a long time.I have put in three times the amount of fragrance and still i am not getting the results i am wanting..I feel there must be some chemical secret . I understand that adding the fragrance at the correct temp. has alot to do with it too…. can you help.

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