On 12/04/2021 12:03, Paul wrote:
charles wrote:
In article ,
Â*Â* Andy Burns wrote:
charles wrote:

Steve Walker wrote:

I have long thought it wrong to mark down for spelling and grammar,
except in languages.
In chemisty? Is ita sulphate or a sulphide?

Sulfide or sulfate according to IUPAC

could well be, I never learned chemisty

Any time you're having trouble reaching a reagent
on the shelf, you can stand on a copy of this to
make you taller :-)Â* Mine is the 1973-1974 edition.

https://hackaday.com/wp-content/uplo.../12/crc600.png

Â*Â* Paul

The UK tax guide is over 21,000 pages.

https://www.amazon.co.uk/Tolleys-Yel.../dp/1474311067