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5070/42

Chemistry 5070/42 — May/June 2014

Cambridge O-Level · Alternative to Practical · worked solutions for every part, with the mark scheme

11
questions
60
marks
60
minutes

Topics Experimental Contexts · Analysis, Conclusions and Evaluation · Observations and Measurements · Use of Techniques, Apparatus and Materials · Qualitative Analysis · Planning Experiments and Investigations

Q18MUse of Techniques, Apparatus and MaterialsObservations and MeasurementsQualitative AnalysisExperimental ContextsFree sample

(a)
(i)

Name the apparatus shown above.

______

1M
(ii)

What is the volume of gas in the apparatus?

______ cm3\text{cm}^3

1M
(b)

Each of the following pairs of substances react together to produce a gas as one of the products.

In each case

  • name the gas produced,
  • describe a test for the gas,
  • construct an equation for the reaction.
(i)

calcium carbonate and dilute hydrochloric acid

gas = ______
test = ______
equation for the reaction = ______

3M
(ii)

zinc and dilute sulfuric acid

gas = ______
test = ______
equation for the reaction = ______

3M

The rest of this paper

10 more questions
  • Q2Qualitative Analysis · Experimental Contexts · Analysis, Conclusions and Evaluation8M
  • Q3Experimental Contexts · Use of Techniques, Apparatus and Materials5M
  • Q4Analysis, Conclusions and Evaluation1M
  • Q5Experimental Contexts1M
  • Q6Experimental Contexts1M
  • Q7Experimental Contexts1M
  • Q8Experimental Contexts1M
  • Q9Observations and Measurements · Experimental Contexts · Analysis, Conclusions and Evaluation15M
  • Q10Experimental Contexts6M
  • Q11Observations and Measurements · Experimental Contexts · Analysis, Conclusions and Evaluation · Planning Experiments and Investigations13M
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