: Since this is a 2003 edition, regional libraries in Belarus or university archives often carry the physical "Methodological Recommendations" which act as the teacher's key. Typical Problem Types in the 10th Grade Manual
: Finding formulas based on mass fractions of elements (C, H, O) or combustion products ( CO2cap C cap O sub 2 H2Ocap H sub 2 cap O : Since this is a 2003 edition, regional
: Drawing structural isomers for alkanes, alkenes, and alcohols and naming them according to IUPAC. Reaction Chains : Completing transformations like: : Since this is a 2003 edition, regional