Sodium carbonate solution is added to a burette containing a little hydrochloric acid and Universal Indicator. The two solutions react, with effervescence, and the liquid in the burette shows a ‘rainbow’ of all the colours of Universal Indicator from red through orange, yellow, green and blue to purple.
This practical is part of our Chemistry for Non-Specialists collection.
2021-04-21T10:15:00Z
Try these tips, ideas and activities to help you teach this topic
2021-03-24T10:24:00Z
Introduce learners to the pH scale and the Universal Indicator chart by using these colour by number worksheets.
2021-03-15T05:48:00Z
Does play have a role in science learning for older children? This is h ow to bring more creativity to older students’ learning and why it’s important
Research and presentation activity based on catalysts and reaction conditions in the context of sustainable industry.
Classroom activity where learners explore and debate the issues around fossil fuels, energy and global carbon emissions.
Assess learners’ understanding of the mechanism of cisplatin as an anticancer drug with these examination-style questions.
No comments yet