Chemical formulas
A chemical formulas quiz: you see the formula and name the compound, from water and carbon dioxide to table salt. For students and chemistry fans.
▶ Play for freeIn your browser, no sign-up.
Sample questions
Which substance?H₂O
Answer
WaterWhich substance?NH₃
Answer
AmmoniaWhich substance?C₆H₁₂O₆
Answer
GlucoseWhich substance?HNO₃
Answer
Nitric acidWhich substance?NaOH
Answer
Sodium hydroxideWhich substance?SiO₂
Answer
SilicaHow to play
- Board: 12 questions at once and 90 s. Type the answers in any order, and a streak of hits gives you a combo.
- Sprint: one question at a time and 60 s on the clock. Stuck? Pass, but a pass costs 3 s.
- With friends online: a race on a shared board, a chess-clock duel or a territory war like in The Floor. Small typos are forgiven, and you can also answer by voice.