CSEC Chemistry · January 2006 · Paper 2 · Question 2(c)
Name the type of chemical reaction occurring in the experiment.
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- 2(a)Based on the observed differences between Figures 2a and 2b, name TWO ions that would most likely be present in the beaker after three days.[2 marks]
- 2(b)Write ionic equation(s) to show the reactions that take place in the beaker in Figure 2b. Explain why these reactions occur.[4 marks]
- 2(d)(i)Comment on how the RATE OF REACTION might be affected if the zinc nail is replaced by Magnesium metal. Explain your answer. Observation: (missing) Explanation:…[6 marks]
- 2(d)(ii)Comment on how the RATE OF REACTION might be affected if the zinc nail is replaced by Lead. Explain your answer. Observation: (missing) Explanation: (missing)[6 marks]
- 2(e)(i)State what effect this experimental arrangement will have on the bulb.[1 mark]
- 2(e)(ii)Explain your answer in (e)(i).[2 marks]
More practice: the rest of this paper · more Oxidation – Reduction Reactions questions · all CSEC Chemistry past papers