Edexcel Jun 2017 Paper 2 Q6

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4 A solution of a metal salt produced a white precipitate with barium chloride solution and the mixture fizzed when dilute nitric acid was added. The metal salt could be A Na 2SO4 B MgSO 4 C Na 2CO3 D AgNO 3 5 The least soluble hydroxide and least soluble sulfate of barium and magnesium are (Total for Question 4 = 1 mark) A Mg(OH) 2 and MgSO4 B Mg(OH) 2 and BaSO4 C Ba(OH) 2 and MgSO4 D Ba(OH) 2 and BaSO4 6 The reaction which results in effervescence is A calcium and water. B strontium and chlorine. C magnesium oxide and water. D barium hydroxide and dilute nitric acid. (Total for Question 5 = 1 mark) (Total for Question 6 = 1 mark) 7 Hydrogen can be produced from CO(g) + H2O(g) (cid:85) CO2(g) + H2(g) (cid:507)H = 41 kJ mol1 Which will shift the equilibrium position to the right? A Raising the temperature Increasing the pressure C Adding a catalyst D Removing the carbon dioxide (Total for Question 7 = 1 mark) A E R A S I H T N I E T I R W T O N O D A E R A S I H T N I E T I R W T O N O D A E R A S I H T N I E T I R W T O N O D *P53493A0320* Turn over<br />

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