Summary notes, revision videos and past exam questions by topic for AQA Chemistry GCSE Topic 4 - Chemical Changes. |
Mg + 2HCI → MgCI2 + H2. This equation shows that one mole of magnesium reacts with two moles of hydrochloric acid to produce one mole of magnesium chloride ... |
Оценка 4,0 (2) Study with Quizlet and memorise flashcards containing terms like What is Avogadro's number?, What is relative formula mass (Mr), A mole of an element is... |
GCSE Chemistry (Single Science) Chemical changes learning resources for adults, children, parents and teachers. |
When metals react with acids, they undergo a redox reaction. A redox reaction occurs when both oxidation and reduction take place at the same time. |
FREE Chemistry revision notes on Elements. Designed by the teachers at SAVE MY EXAMS for the AQA GCSE Chemistry syllabus. |
C4 Chemical Changes · A) Acids & Alkalis · Quiz 1 · B) Strong & Weak Acids ⬆️. Quiz 2 ⬆️ · C) Reactions of Acids · Quiz 3 · D) Obtaining a Pure Salt · Quiz 4. |
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