understand the core ideas about acids and bases; explain how the key ideas of acids and bases develop at more advanced levels; identify common misconceptions and know how these can be addressed or how ...

Neutralisation is the reaction of an acid with a base that results in the pH moving towards 7. It is a useful process that occurs in everyday life such as in the treatment of acid indigestion and ...

Bases are metal oxides, metal hydroxides and metal carbonates. In the neutralisation reaction between an acid and a metal carbonate, there are three products: One example of this is the reaction ...

Students will also be able to explain that different substances react in characteristic ways that can be used to identify a substance. A pH or acid-base indicator is a compound that changes color ...

Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

As previously mentioned, polynucleotide phosphorylase joins nucleotides randomly; as a result, these artificial RNAs contained random mixtures of the bases in proportion to the amounts of bases mixed.