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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...

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