International Chemistry Olympiads Olympiades Internationales de la Chimie

International Chemistry Olympiad 1st (1968) to 40th (2007)

IChO 36th  in Kiel, Germany from 18th to 27th July 2004
Results

The official website: www.icho.de/

Official Problems and Solutions

Practical Component

 

Theoretical Component

Preparatory Problems

&

Solutions

IChO 35^th, 5-14 July 2003, Athens, Greece.

Results

The official website: www.35icho.uoa.gr/

Official Problems and Solutions

Practical Component

 

Theoretical Component

Preparatory Problems

• problems1-13.pdf

• problems14-21.pdf

• problems22-25.pdf

• problems26-32.pdf

• problems33-39.pdf

• appendix.pdf

IChO 34^th, 5-14 July 2002, Groningen, the Netherlands
Results
The official website: www.chem.rug.nl/icho34/

Official Problems and Solutions

 

	Experimental Examination

Theoretical Examination

Preparatory Problems

	Prepare34_a.pdf
	Prepare34_b.pdf
	Prepare34_c.pdf
	Prepare34_answers.pdf

 

Question of the months

IChO 33^rd 6-15 July  2001, Mumbai, India
Results

The official website: www.hbcse.tifr.res.in/New/icho

Official Problems and Solutions (PDF files)

Theory

 Laboratory:

Preparatory Problems

• 01_10prep2k1.pdf

• 01prsol.pdf

• 01prsol2.pdf

• 02prsol.pdf

• 03prsol.pdf

• 04prsol.pdf

• 1_6preface.pdf

• 11_36prep2k1.pdf

• 37_50prep2k1.pdf

• 7_18preface.pdf

IChO 32^nd 2-11 July 2000, Copenhagen, Denmark.

Results
The official website: www.icho2000.gymfag.dk

Official Problems and Solutions (PDF files)

Theory

 Laboratory:

Preparatory Problems

(in PDF format)

• pre.pdf

or

• pre1.pdf

• pre2.pdf

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IChO 31^st 4-11 July 1999, Bangkok Thailand

Results
The official website does not exist now.

Official Problems and Solutions

Download PDF files:

Preparatory Problems

(in PDF format)

prepare.pdf

IChO 30^th, 5-14 July 1998, Melbourne, Australia
Program
Results
The official website now does not exist now.

Official Problems and Solutions 

Download PDF files:

• Experimental examination problems

• Experimental examination solutions

• Thereotical examination problems

• Thereotical examination solutions

Preparatory Problems

(in PDF format)

pre.pdf

Errata

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IChO 29^th 13 - 22 July 1997, Montreal Canada

Results
The official website now does not exist now.

Official Problems and Solutions

Download PDF files:

• exp.pdf

• thexama.pdf

• thexamb.pdf

• solutions

Preparatory Problems and Solutions

pre.pdf (in English)

pre_s.pdf (in Spanish)

IChO 28^th 14 - 23 July 1996, Moscow Russia
Results
The official website does not exist now.

Official Problems and Solutions

PDF files

Preparatory Problems

Download PDF files

(in spanish)

IChO 27^th 14 - 23 July 1995, Beijing China
Results

Official Problems and Solutions

PDF files:

1. Experimental Problems, Answer sheet, Results key

2. Theoretical Problems, Answer sheet, Solutions

Final report on the 27^th IChO

Preparatory Problems

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IChO 26^th 3 - 11 July 1994, Oslo Norway
Results
An unofficial website.

Official Problems and Solutions

PDF files

1. Theoretical Component

2. Experimental Component

Preparatory Problems

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  IChO 1986 - 1994

Problems

PDF files

Solutions

PDF files:

The Best International Chemistry Olympiad - IChO - task from 1980-1990 (PDF file)