5
3Keywords:
acids
alkalis
bases
pH scale
properties
Students answer two multiple-choice questions on pH.
Displaying results 1 to 3 of 3.
35
5Keywords:
acids
alkalis
bases
pH scale
properties
Task: Using the given pH, classify 10 common substances as acidic, basic, or neutral. Assessment focus: knowledge of the pH scale
5
2Keywords:
acid-base reactions
changes
chemical properties
neutralisation
properties
smell
society
Students consider the potential for chemical change when a range of everyday substances are mixed. They use logical reasoning to work out the consequences of four pairs of reactions.