Question 62
Try these reactions and test the gas that is given off.
You will need:
The apparatus shown in the diagrams
Safety
Wear safety glasses.
Testing for oxygen
1. Pour hydrogen peroxide into a test tube until it is about half full.
2. Add a spatula of manganese dioxide.
3. Place a glowing splint into the neck of the test tube.
Describe what happened to the glowing splint when you tested for oxygen.
You will need:
The apparatus shown in the diagrams
Safety
Wear safety glasses.
Testing for oxygen
1. Pour hydrogen peroxide into a test tube until it is about half full.
2. Add a spatula of manganese dioxide.
3. Place a glowing splint into the neck of the test tube.
Describe what happened to the glowing splint when you tested for oxygen.
