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Cambridge Secondary (7-9). Stage 7. Science. Learner's Book - Unit 8: Changes to materials - Question 62

Cambridge Secondary (7-9) · Unit 8: Changes to materials

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.
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