A pH or acid-base indicator is a compound that changes color depending on the pH of the substance that is added to it. Acids and bases make pH indicators turn different colors. Two substances that ...

When an acid is neutralised, it forms a salt. Making salts Acids react with metals, bases and carbonates to produce salts. Neutralisation is the reaction between an acid and a base. Titration and ...

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 ...

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.

The time has come when students must start focusing on the 2025 Board examination. But before doing that, students should ...

It also revealed a way in which some compounds -- nucleic acids -- could replicate and keep life going. The base pairs within DNA, which actually transfer the genetic code, are made of simple ...

Nucleic acids are complex biological molecules that store and transmit ... In DNA, two complementary strands of nucleotides pair up through hydrogen bonds between the bases (A with T and G with C) to ...

Hidden within the genetic code lies the "triplet code," a series of three nucleotides that determine a single amino acid. How did scientists ... two or three different bases.

For instance, in a 1971 essay on the history of nucleic acid research, Erwin Chargaff noted that in a 1961 historical account of nineteenth-century science ... sugar-base); the first to discover ...

Kossel was later awarded the Nobel Prize in Physiology or Medicine in 1910 for his contributions to the understanding of nucleic acids and proteins ... when adenine is altered or mismatched with other ...