In the topic "enthalpy_change_definitions", none of the quizzes work because the files called "bottom1.html", "bottom2.html", "bottom3.html" and "bottom4.html" are incorrectly named "bottom1.html1", "bottom2.html1", "bottom3.html1" and "bottom4.html1".
This problem can be fixed by renaming the four files mentioned above and removing the "1" at the end of the filename.
In the topic "atomic_structure", quiz 1 is missing.
This problem can be fixed by copying the relevant file "quiz_1.html" from the live version of the Web site to the "atomic_structure" folder.
This problem will be fixed when version 1.2 of the quizzes is released shortly.
In the topic "reactions_schemes_bromoethane", quizzes 2 and 4 have some missing images.
This problem can be fixed by replacing "quiz_2.html" and "quiz_4.html" with the updated copies from the live version of the Web site.
This problem will be fixed when version 1.2 of the quizzes is released over the weekend of May 13th/14th, 2001.
In the topic "halogenoalkanes", "quiz_2.html" contains two errors.
1. There is a superfluous navigation link at the bottom of the page.
2. The quiz was intended to have 30 questions and these all exist and work correctly, but due to a typing error the quiz thinks it should have 32 questions. Unfortunately, these two extra questions are missing. This will result in an occasional (1 chance in 16) random missing question accompanied by a blank or null answer.
The online version of the quiz has been corrected.
This problem will be fixed when the next version of the quizzes is released.
In the topic "halogenoalkanes", the page showing the mechanism of nucleophilic substitution has a superfluous link to "module topic".
In the quiz on naming halogenoalkanes, the question about the name of the compound with structural formula CH3CClF2 gives the answer incorrectly as 1-dichloro-1,1-difluoroethane when it should be 1-chloro-1,1-difluoroethane.
The online version of the quiz has been corrected.
This problem will be fixed when the next version of the quizzes is released.
In the topic called "reactions_of_halogenoalkanes" there is an error in "quiz_4.html". The diagram in the bottom right corner of the reaction scheme shows the structural formula of ethane but it should show the formula of ethanol.
The online version of the quiz has been corrected.
In the topic called "formulae_and_equations" there is a spelling error in one of the questions in "quiz_6.html" and the questions asks for the formula of "ammonium phospate" rather than "ammonium phosphate".
The online version of the quiz has been corrected.
These problems will be fixed when version 2.1 of the quizzes is released towards the end of the Summer.