Combined Science: Trilogy 8464: C3.Quantitative Chemistry Topical Past Paper Questions
AQA GCSE Combined Science: Trilogy (8464) past-paper questions on C3.Quantitative Chemistry, free. This topic is regularly examined across 7 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Acids react with some metals to produce soluble salts. A student adds magnesium to hydrochloric acid until no more acid reacts and excess magnesium remains. The equation for the reaction is: $$ \mathrm{Mg(s)~+~2HCl(aq)~\rightarrow~MgCl_{2}(aq)~+~H_{2}(g)} $$ 1 Describe how solid…
This question is about elements and compounds. Figure 8 shows a reactivity series. Figure 8 Give the method and conditions used to extract metal Y from a compound of metal Y. [2 marks] Sodium reacts with titanium chloride (TiCl_{4}) to produce titanium. ## 2 Complete the equation…
Metal oxides are produced when metals are heated in air. A student investigated the change in mass when 0.12 g of magnesium was heated in air. Figure 5 shows the apparatus. Figure 5 The student measured the mass of magnesium oxide produced. 0.12 g of magnesium reacted to produce…
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