The collection holds 1 photograph and 1 page or document connected to this person. None of it has a date. This is what has been collected and read so far, not every photograph ever taken.
2 items match; showing 1–2.
A caption in “chemistry igcse acap”, page 89 names the person: “Characteristic Reactions”
The person is named in it: “…the weaker it is Soluble bases are called alkalis When alkalis are added to water, they form negatively charged hydroxide ions These ions make solutions basic / alkaline Characteristic Reactions Acids and Metals : Acid + metal —> Salt + Hydrogen The cation in the salt depends upon the metal The Anion in the salt depends upon the acid Examples :”