StructuredPast exam questionForm 3 · JCE
The diagram shows a pond weed placed in a beaker near a lit lamp. A test tube was used to collect the gas from the pond weed.
- aName the gas collected. [1]
- bState two substances needed to produce the gas. [2]
- cHow can the rate of production of gas bubbles by the pond weed be increased? [1]
You'll mark your own answer against the marking guide when you hand it in.
Source: BEC JCE Science 2022, Paper 2, Question 2
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