When water boils, bubbles rise to the surface of the water. What are these bubbles made of?
-
Air
-
Hydrogen and oxygen
-
Oxygen
-
Water vapor
📝 Detailed explanation
Boiling water produces bubbles of water vapor (steam), not air or separate hydrogen and oxygen gases.
← Previous
→ Next
Space — Show answer
🎯 Take a test on the topic «Properties of a substance»
This topic contains 26 questions.
Test your knowledge!
🔐 Log in to take the test
📚 All tests by subject «Chemistry»
View all collections and topics in Chemistry
Go to subject →
