5070/41

Chemistry 5070/41May/June 2016

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

9
questions
60
marks
60
minutes

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

Q17MUse of Techniques, Apparatus and MaterialsExperimental ContextsFree sample
(a)

The following apparatus is found in a laboratory.

Write in the table the letter of the apparatus most suitable for the purpose.

purposeapparatus
removing 25.0 cm325.0\text{ cm}^3 of a liquid from a container
measuring 60 cm360\text{ cm}^3 of a liquid
as a titrating flask
separating a precipitate from a solution
4M
(b)

The diagrams show three methods for collecting gases.

Which method X, Y or Z is suitable for collecting a gas which is

(i)

less dense than air and soluble in water,

______

1M
(ii)

more dense than air and soluble in water,

______

1M
(iii)

insoluble in water?

______

1M

The rest of this paper

8 more questions
  • Q2Use of Techniques, Apparatus and Materials · Experimental Contexts · Qualitative Analysis10M
  • Q3Use of Techniques, Apparatus and Materials1M
  • Q4Analysis, Conclusions and Evaluation1M
  • Q5Experimental Contexts1M
  • Q6Experimental Contexts1M
  • Q7Observations and Measurements · Experimental Contexts · Use of Techniques, Apparatus and Materials · Analysis, Conclusions and Evaluation16M
  • Q8Qualitative Analysis · Analysis, Conclusions and Evaluation10M
  • Q9Observations and Measurements · Experimental Contexts · Analysis, Conclusions and Evaluation · Use of Techniques, Apparatus and Materials13M
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