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Reactions of Acids

9. Reactions of Acids. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. answer. 1. Give an everyday example of neutralisation. Reducing acidity in soil by adding lime, treatment of acid indigestion. answer. What is Neutralisation?. 2.

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Reactions of Acids

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  1. 9 Reactions of Acids 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 eymmcl2003

  2. answer 1 Give an everyday example of neutralisation. Reducing acidity in soil by adding lime, treatment of acid indigestion eymmcl2003

  3. answer What is Neutralisation? 2 The reaction of an acid with a neutraliser eymmcl2003

  4. answer What happens to the pH of an acid as it is neutralised? 3 The pH INCREASES to 7 eymmcl2003

  5. answer Give some examples of neutralisers 4 Alkali, metal oxide, metal carbonate eymmcl2003

  6. answer Name the products of the reaction between a dilute acid and an alkali 5 Salt and water eymmcl2003

  7. answer Name the products in the reaction between a dilute acid and a metal carbonate. 6 Salt, water and carbon dioxide eymmcl2003

  8. answer Name the salt produced when dilute hydrochloric acid reacts with copper carbonate 7 Copper chloride eymmcl2003

  9. answer Name the products of the reaction between a dilute acid and a metal oxide 8 Salt and water eymmcl2003

  10. answer Name the products when dilute sulphuric acid reacts with magnesium 9 Magnesium sulphate and hydrogen eymmcl2003

  11. answer What is the formula forhydrochloric acid? 10 HCl eymmcl2003

  12. answer What is the formula forsulphuric acid? 11 H2SO4 eymmcl2003

  13. answer Name the products of the reaction between potassium hydroxide and dilute nitric acid 12 potassium nitrate and water eymmcl2003

  14. answer Which method is used to prepare insoluble salts? 13 precipitation eymmcl2003

  15. answer Name the precipitate formed when barium nitrate solution and sodium sulphate solution react together 14 Barium sulphate eymmcl2003

  16. answer NaOH + HNO3 NaNO3 + H2OIn a titration, 20cm3 of sodium hydroxide was neutralised by 15cm3 of 0.2 mol/l nitric acid. Calculate the concentration of the sodium hydroxide solution. 15 CVH+ (acid) = CVOH- (alkali) 0.2 x15x1 = Cx20x1 3= C x 20 C = 3/20 = 0.15 mol/l eymmcl2003

  17. answer What is a base? 16 A substance which neutralises an acid eymmcl2003

  18. answer Give three examples of a base. 17 alkali (metal hydroxide) metal oxide metal carbonate eymmcl2003

  19. answer Identify the two bases.sodium chloride, sodium oxide, calcium nitrate, copper carbonate 18 sodium oxide and copper carbonate eymmcl2003

  20. answer Name the type of chemical reactiontaking place when copper oxide is added to dilute hydrochloric acid. 19 neutralisation eymmcl2003

  21. answer What is formed when a basedissolves in water? 20 An alkali eymmcl2003

  22. answer AgNO3 (aq) + NaCl (aq) AgCl (s) + NaNO3 (aq)Name thetype of chemical reaction taking place. 21 precipitation eymmcl2003

  23. answer AgNO3 (aq) + NaCl (aq) AgCl (s) + NaNO3 (aq)Name the spectator ions 22 Nitrate NO-3 Sodium Na+ eymmcl2003

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