Determining oxidation states and balancing equations.
Official answers and criteria for these variants are typically released to schools on the day of the exam. You can often find archived versions and unofficial solutions on educational platforms like 100ballnik or SdamGIA . Key Topics Covered
4 tasks requiring detailed solutions, including chemical reactions and calculations.
Chemical properties of oxides, bases, acids, and salts. Practice Resources
Determining oxidation states and balancing equations.
Official answers and criteria for these variants are typically released to schools on the day of the exam. You can often find archived versions and unofficial solutions on educational platforms like 100ballnik or SdamGIA . Key Topics Covered
4 tasks requiring detailed solutions, including chemical reactions and calculations.
Chemical properties of oxides, bases, acids, and salts. Practice Resources