1. What did Humphry Davy invent?
1. What did Humphry Davy invent?2. When was Humphry Davy born?
3. Where was Humphry Davy born?
4. Which gas did Humphry Davy inhale to test a claim that it caused diseases?
5. When did Humphry Davy discover sodium and potassium?
6. Which metals did Humphry Davy discover in 1808?
7. When was Humphry Davy president of the Royal Society?
8. What did Humphry Davy call substance X because of its violet colour?
9. When did Humphry Davy die?
10. Where did Humphry Davy die?