Make an acid-base indicator ... Prepare all the items you wish to test. If you want to replicate Dr Yan's demo then look to the list above for ingredients. Squeeze some lemon juice into cup ...

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 ...

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.

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

How can just four nitrogenous bases--adenine ... as signals for the next amino acid (Table 1)? These questions were answered by way of several elegant experiments. However, Tsugita and Fraenkel ...