Materials and Equipments
- refer to page 33 in the Lab Text book
Procedures
- refer to page 33 in the Lab Text book
Objectives
To observe the different types of reactions and write their chemical equations.
1. Take a 6cm of copper and hold in the flame. The copper reacts with oxygen in the air.
2. Take an iron nail and placed into a test tube. Add copper sulfate into the test tube. Let sit for a while , the iron nail turned pink with rust
3. Take another test tube. Add copper sulfate pentahydrate and heat it over a bunsen burner for 5 to 10 mins. The color turned white.
4. After the experiment 3 cool down. Add water into it. the result turned back to the regular color and stuck on the bottom of the test tube.
5. Take 2 unused test tube. #1 add calcium chloride. #2 add sodium carbonate. Then mix them together. It formed a milky white solution.
6. Add mossy zinc with hydrochloric acid. Formed bubbling for half hour
7. Add hydrogen peroxide and manganese oxide. Placing a glowing splint into the test tube, the splint was rekindled. 
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