All Puzzles articles – Page 20
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PuzzleFebruary 2017 puzzles
Download the puzzles from the February 2017 print issue of Chemistry World
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PuzzleOn the spot: On a hot day
What would you do if a fridge failure puts peroxide under pressure?
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PuzzleJanuary 2017 puzzles
Download the puzzles from the January 2017 print issue of Chemistry World
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PuzzleDecember 2016 puzzles
Download the puzzles from the December 2016 print issue of Chemistry World
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PuzzleOn the spot: Late at night
How should you respond to a spilled mixture of cleaning chemicals?
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PuzzleNovember 2016 puzzles
Download the puzzles from the November 2016 print issue of Chemistry World
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PuzzleOctober 2016 puzzles
Download the puzzles from the October 2016 print issue of Chemistry World
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PuzzleSeptember 2016 puzzles
Download the puzzles from the September 2016 print issue of Chemistry World