Please allow 10 days for delivery. A complete solved OIQ CH-B3 (same syllabus as National / PEO CHEM-B9) technical exam with five question solutions. The questions and solutions are provided in both English and French.
Please allow 10 days for delivery. A complete solved OIQ CH-B3 (same syllabus as National / PEO CHEM-B9) technical exam with five question solutions. The questions and solutions are provided in both English and French.