Once you log in, click on "Bridging the knowledge gap":
Then you are going to see the screen with available topics. Click on "More" to find the right topic. The list of all available topics is below.
Available topics:
A1 - Symbols, formulae and balanced equations
A2 - Calculations based on formulae
A3 - Calculations based on equations
A4 - Amounts in solution and titrations
B1 - Atomic structure
B2 - The periodic table
B3 - Groups 1, 7 and 0 in the periodic table
C1 - Exothermic and endothermic changes
C2 - Energy changes and bonding
D1 - Kinethic theory and states of matter
D2 - Ionic structures and bonding
D3 - Molecular structures and bonding
D4 - Giant structures with covalent bonding
D5 - Metals: properties, structure and bonding
D6 - Properties, structure and bonding
E1 - Acids and alkalis
E2 - Salts
F1 - Redox reactions
F2 - Electrolysis
G1 - Reversible changes and dynamic equilibrium
H1 - Rates: surface area and concentration
H2 - Rates: temperature and catalysts
I1 - Methods of separation and purification
I2 - Qualitative analysis
J1 - Refining crude oil
J2 - Fuels
J3 - Alkanes and alkenes
J4 - Alcohols and carboxylic acids
J5 - Synthetic and natural polymers
