Demonstrating that increasing temperature typically accelerates the reaction. Catalysts: Using substances like manganese dioxide ( MnO2cap M n cap O sub 2 ) to speed up the decomposition of hydrogen peroxide ( H2O2cap H sub 2 cap O sub 2 Topic: Qualitative Composition of Organic Substances
Comparing the reaction rate of a solid chunk of a substance (like marble or zinc) versus its powdered form.
To experimentally study the factors that influence the rate of chemical reactions. Key Experiments: prakticheskaia rabota 1 po khimii 11 klass novoshinskii
This is the most common Practical Work No. 1 for the 11th-grade general chemistry course.
To detect the presence of carbon, hydrogen, and chlorine in organic compounds. Key Experiments: Key Experiments: This is the most common Practical Work No
Using the Beilstein test (burning the substance on a copper wire) to see a characteristic green flame indicating chlorine. General Structure for Your Report
List everything used (test tubes, spirit lamp, specific chemicals). Key Experiments: Using the Beilstein test (burning the
When writing up your results in a lab notebook or a TETRAD for practical works , follow this standard format: Goal of the work.