Ability to react with metal salts Animation Play

Absorption of the products of carbohydrate digestion Animation Play

Absorption of the products of protein digestion Animation Play

Absorption of the products of protein; carbohydrate and lipid digestion Student activity Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Acidic properties Student activity Play

Acidic properties of ethanoic acid Animation Play

Acids and alkalis Class activity Play

Acid–base reactions in a non-aqueous medium Animation Play

Across the periodic table Student activity Play

Addition of strong base to an ammonium buffer Animation Play

Additional information contained in chemical equations Student activity Play

Alkali metals Student activity Play

Alkalinity of hydroxides Animation Play

Alkylation of ammonia Animation Play

Alkylation of ammonia and amines Student activity Play

Ammonia – a weak base Animation Play

Amphoteric metal hydroxides Animation Play

Apparatus for electrolysis Animation Play

Application of calcium hydroxide Animation Play

Application of magnesium hydroxide Slideshow Play

Application of potassium hydroxide Slideshow Play

Application of sodium hydroxide Slideshow Play

Applications of sodium hydroxide Illustration Play

Arranging metals according to increasing reactivity Student activity Play