Chemistry Brainteasers

Test your chemistry knowledge with these brainteasers from St John’s Chemistry Tutor Professor Richard Compton and his research group.

Q: How could you charge your phone using lemons as the energy source?

Click here for the answer.

Q: How can you measure the size of a molecule?

Click here for the answer.

Q: Can you estimate the minimum mass of graphene required to cover the entire surface of Earth?

Click here for the answer.

Q: What is the only letter that does not appear in the periodic table?

Click here for the answer.

Q: How do you make green fire?

Click here for the answer.

Q: How can you make an invisible ink?

Click here for the answer.

Teachers we want to hear from you too if you want to get involved and set some questions of your own – email inspire@sjc.ox.ac.uk.

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