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Chemical Reactions treasure hunt

Discover the magical world of chemical reactions with our interactive GPS scavenger hunts. From fizzing experiments to colour changes - experience chemistry like never before while exploring.

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Made 2 days ago: Enkhuizen city walk in Enkhuizen

Chemical Reactions treasure hunt - GPS treasure hunt Chemistry

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Featured this week: example questions for Chemical Reactions

New example questions from the library every Monday. Updated on 12 October 2026.

What do you see above boiling water?
Steam Snow Birds Balls
What happens to cream when you beat it?
It gets thick It gets thinner It will be a cow Turning green
What happens when you blow out a candle?
The flame goes out The candle gets bigger The candle turns blue The candle goes dancing
What makes noise when it boils?
Water Stone Paper Sand
What happens when you mix soap and dirt?
The dirt goes away It gets more dirty It will be a pig It will be purple
What do you smell when mum cuts onions?
A strong smell Roses Nothing Chocolate
What happens when you mix white and black paint?
You get grey paint You get pink paint You get yellow paint You get green paint
What do you see when soap and water come together?
Foam and bubbles A rainbow A rabbit Stars
Create a chemical reactions treasure hunt for Ages 3-4
What happens to chocolate when it gets hot?
It melts It gets tough It turns white It disappears
What is created when you mix oil and water?
They don't mix, oil floats They become soap They become milk They disappear
What do bees make from nectar?
Honey Wash Milk Water
What substance makes fruit taste sweet?
Natural sugar Salt Fat Water
What substance is formed when you dissolve salt in water?
Saltwater Freshwater Soap Oil
What is it called when you mix two different substances?
Mixing or blending Cooking Freeze Melt
What do you call it when water freezes to ice?
Freeze Evaporate Melt Cooking
What happens when you rub a balloon on your hair?
He pulls your hair He turns green He melts He gets cold
Create a chemical reactions treasure hunt for Ages 7-8
What is created when you try to mix water and oil?
Two layers A new fabric Gas Solids
What gas is formed when vinegar and baking soda are mixed?
Carbon dioxide Oxygen Nitrogen Water vapour
What happens when you make soap from fat and lye?
A new substance is created The fat only softens The fat disappears The fat hardens
What happens when you put washing powder in water?
It dissolves It gets tough It explodes It disappears
What substance causes the brown colour of coffee?
Roasted beans Added colouring Milk Sugar
What substance makes onions make you cry?
Sulphur compounds Lots of water Vitamin C Sugar
What happens when you see silver jewellery turn black?
They oxidise due to sulphur in the air They get dirty They are slowly melting They evaporate
What happens when you let a banana ripen?
Starch turns into sugar Sugar turns into starch It only gets softer It dries out
Create a chemical reactions treasure hunt for Ages 9-10
Which compound is the end product of the Lucas test with a secondary alcohol?
Alkyl chloride Alkeen Ether Keton
What is the stoechiometric coefficient of oxygen in octane combustion?
25 18 32 16
What colour results from the clock reaction of iodate and bisulphite?
Dark blue Bright green Deep purple Bright orange
In which reaction is a haemiacetal formed?
Addition of alcohol to aldehyde Oxidation of primary alcohol Hydrolysis of acetal Condensation of two ketones
At what pressure is the Haber process performed industrially?
150-250 atm 50-100 atm 300-400 atm 25-75 atm
What is the Hammett constant for the nitro group in para position?
+0.78 -0.27 +0.45 -0.83
What is the name of the process by which long hydrocarbon chains are broken?
Squatting Reforming Alkylation Isomerisation
What is the Lewis definition of an acid?
Electron pair acceptor Proton donor Hydroxide ion acceptor Electron pair donor
Create a chemical reactions treasure hunt for Ages 18+

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Other Chemistry subjects

Periodic Table Atoms & Molecules Water & Hydrogen Acids & Bases States of Matter Mixtures & Solutions Crystals Food Chemistry Fireworks & Pyrotechnics Metals Gases Fuels & Energy

Frequently asked questions

A Chemical Reactions scavenger hunt is a GPS-guided outdoor activity with quiz questions about Chemical Reactions, part of the theme Chemistry. You walk a route past various locations and answer fun questions along the way.

There are 2158 questions available about Chemical Reactions: 2158 multiple choice questions, 0 open questions and 0 assignments. The category Chemistry has more than 43772 questions in total.

There are Chemical Reactions questions for all ages: from 3-5 years (toddlers) to 20+ (adults). The questions are automatically adapted to the chosen level.

Go to oppatt.io, create a free account, choose the theme Chemistry and select Chemical Reactions as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.