| NATRIUM | Latin name for sodium, from which its chemical symbol derives (7) |
| STANNUM | Old name for tin, from which its chemical symbol derives (7) |
| STIBIUM | Former name for the element antimony, from which its two-letter symbol is derived (7) |
| CAUSTIC | ____ soda, another name for sodium hydroxide used in making soap (7) |
| ALGIERS | African capital from which its country’s name is taken |
| WITHERS | Ridge at the base of a horse'd neck, from which its height is measured (7) |
| AURUM | Latin word for gold which is the source of its chemical symbol (5) |
| IRON | Its chemical symbol comes from the Latin word "ferrum" |
| CAUSTICSODA | Alternative name for sodium hydroxide, used in the manufacture of soap, paper, detergents etc. (7,4) |
| BAKINGSODA | Common name for sodium bicarbonate (6,4) |
| SALT | What is the more common name for sodium chloride? (4) |
| SPUDWOOD | Bordered by the Bridgewater Canal, ___ ___, Lymm, was planted in the 1990s on a former potato field, from which its name derives; the park is now a haven for birdlife (4,4) |
| WASPIE | A laced corset or girdled belt serving to cinch the waist of its wearer to proportions akin to that of the vespa from which its name derives (6) |
| MEHNDI | Indian body art or tattooing using henna, from which its name derives (6) |
| NICKEL | "Ni" is its chemical symbol (6) |
| TIN | Its chemical symbol is Sn |
| MOLYBDENUM | Rare but strong metal that can produce up to four bonds between atoms when it is bonded to itself. Its chemical symbol is Mo. |
| LEAD | Its chemical symbol is Pb (4) |
| NEMBUTAL | Proprietary name for sodium pentobarbitone |
| LYE | Common name for sodium hydroxide |