GCSE Bitesize has revision pages (that take you through the topic), a test and an activity – scroll down to Acids, Bases and Salts. GCSE s-cool – Acids & Alkalis – revision notes & animations, practise exam questions & a revision summary. Skoool Chemistry – click on ‘7.Acids, Alkalis & Salts’ for excellent lessons that take you through the topic; also a glossary of terms. Chemactive worksheets & answers just click on Acids & Alkali questions. Also worksheets from Mr Guch that cover Acids, Bases & Solutions. For Doc Brown’s Chemistry quizzes, word-fills, crosswords and study notes go here and just scroll down. Great resources from the Australian International School – videos, powerpoints, worksheets, practicals, animations, flashcards etc.