2018 Science (Chemistry) Practical O Level - Part C

In Year 2018's Science Practical examinations, students are given 2 unknowns, Q and R. By mixing these 2 solutions together, you will see how the solution changes colour and VOILA! A new product is formed! Now, a metal is added. Yes! Displacement of metals will take place. Watch full video to find out more. Watch more Science Practical videos :    • GCE O-Levels Science Practical   Subscribe to our channel :    / @sgcitycollege   Find out more about what we do : https://www.citycollege.edu.sg We encourage your thoughtful and constructive comments or questions! Please note that inappropriate comments, language or content will not be tolerated and will be removed.