Sodium thiosulfate solution is reacted with acid – a sulfur precipitate forms. The time taken for a certain amount of sulfur to form can be used to indicate the rate of the reaction.
This practical is part of our Chemistry for Non-Specialists collection.
2020-08-26T08:57:00Z
How a step-by-step approach to experiments can improve learning
2020-07-24T09:14:00Z
A new photocatalyst that can act on small alkane hydrocarbons is a rare example of directly using natural gases as reagents
2020-06-24T09:05:00Z
From zooming in on chemical phenomena to explaining marking schemes, try these teacher-tested approaches
2020-09-17T11:28:00Z
A lesson presentation with activities for your 11–14 students on polymers and their properties
Use your smartphone to measure changes in concentration across different juice drinks at home or in the classroom. Includes a video aimed at learners, kit list, instruction and explanation.
2020-09-14T10:48:00Z
Explore polymers and redox via food wrap innovations with this activity for 11–16 students
No comments yet