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.

Make an acid-base indicator. Dr Yan uses some very colourful science to find out what's acidic in his kitchen. Take 1/4 red cabbage. Finely slice the cabbage. Put all the chopped-up cabbage into a ...

A titration experiment can be carried out to accurately ... also be used to calculate an unknown concentration (of either the acid or alkali). When titrating, it is essential to measure things ...

These questions were answered by way of several elegant experiments ... was based on multiples of three bases! Tsugita, A., & Fraenkel-Conrat, H. The amino acid composition and C-terminal sequence ...

In further experiments ... to the amounts of bases mixed. Hence, the resulting products provided clues that the researchers could use to deduce potential codon–amino acid relationships.

In this is acidic baking soda acts as a base, with a pH of 9, while vinegar is the acid, with a pH of 2 or 3. The pH scale ...