2011 Chemistry Ordinary Level
Coimisiún na Scrúduithe Stáit

2011. M 33
State Examinations Commission
LEAVING CERTIFICATE EXAMINATION, 2011
CHEMISTRY – ORDINARY LEVEL
TUESDAY, 21 JUNE – AFTERNOON 2.00 TO 5.00
400 MARKS
Answer eight questions in all.
These must include at least two questions from Section A. All questions carry equal marks (50).
The information below should be used in your calculations.
Relative atomic masses: H = 1, C = 12, N = 14, O = 16, Na = 23, Al = 27, Cl = 35.5 Molar volume at s.t.p. = 22.4 litres
Avogadro constant...