Drops of dilute acid and alkali are placed a few centimetres apart on a sheet of filter paper and allowed to spread out until they meet. A few drops of Universal indicator are then placed over the moist area of the filter paper and a band of colours showing the range of colours of the Universal indicator is seen on the paper.
This practical is part of our Chemistry for Non-Specialists collection.
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
2021-03-15T05:47:00Z
Some solutions have been mixed up – help the technicians work out which is which
2021-04-13T10:54:00Z
Use this lesson plan to structure a lesson on the carbon cycle at 11–14
2021-04-13T10:53:00Z
Students take on the role of a carbon atom as it cycles through the Earth to better understand the carbon cycle
2021-03-24T08:00:00Z
Take this approach to practical work to ensure students are learning, not just doing
No comments yet