Chemistry 5070/41 — May/June 2011

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

questions

marks

minutes

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

Q15MUse of Techniques, Apparatus and MaterialsObservations and MeasurementsExperimental ContextsFree sample

Fig. 1

The apparatus shown above contains aqueous ethanoic acid.

(a)

Name the apparatus.

______

(b)

What is the volume of aqueous ethanoic acid in the apparatus?

______ $\text{cm}^3$

(c)

What is observed when

(i)

a few drops of litmus solution are added to some aqueous ethanoic acid,

______

(ii)

aqueous ethanoic acid is added to a test-tube containing a few grams of solid calcium carbonate?

______

(d)

Name and give the formula of the alcohol which, on oxidation, gives ethanoic acid.

name ______
formula ______

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10 more questions

Q2Analysis, Conclusions and Evaluation · Experimental Contexts6M
Q3Experimental Contexts · Qualitative Analysis · Analysis, Conclusions and Evaluation9M
Q4Experimental Contexts1M
Q5Experimental Contexts1M
Q6Experimental Contexts1M
Q7Experimental Contexts1M
Q8Use of Techniques, Apparatus and Materials1M
Q9Experimental Contexts · Analysis, Conclusions and Evaluation · Observations and Measurements · Use of Techniques, Apparatus and Materials15M
Q10Qualitative Analysis8M
Q11Observations and Measurements · Experimental Contexts · Analysis, Conclusions and Evaluation12M

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