Personal
Missions
Learning Paths
NEW
Explore
0.00
LEMON
0
Connect Wallet
Login
Share Link
3 items
Chemistry Challenge
Test your knowledge of fundamental chemistry concepts with these engaging questions.
What is the chemical symbol for water?
O2
NaCl
H2O
CO2
Which element is known as the 'building block of life'?
Nitrogen
Hydrogen
Carbon
Oxygen
What is the pH level of pure water?
0
14
10
7
Finish Attempt