Edexcel Jun 2017 (IAL) Paper 2 Q5

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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 In which reaction is calcium oxidised? A Ca + 2HCl (cid:111) CaCl2 + H2 B CaO + 2K (cid:111) Ca + K2O C CaO + H2O (cid:111) Ca(OH)2 D CaCO3 (cid:111) CaO + CO2 (Total for Question 5 = 1 mark) 6 Consider the following ionic half-equations Al (cid:111) Al3+ + 3e 2H+ + 2e (cid:111)(cid:3)H2 When these ionic half-equations are combined, the full ionic equation is A Al + 2H+ (cid:111)(cid:3)Al3+ + H2 B Al + 2H+ + 2e (cid:111)(cid:3)Al3+ + H2 + 3e C Al + 6H+ (cid:111) Al3+ + 3H2 D 2Al + 6H+ (cid:111) 2Al3+ + 3H2 (Total for Question 6 = 1 mark) 7 The metal salt which gives a red colour in a flame test is A barium nitrate. lithium chloride. C potassium nitrate. D sodium chloride. (Total for Question 7 = 1 mark) Use this space for any rough working. Anything you write in this space will gain no credit. A E R A S I H T N I E T I R W T O N O D *P48383A0324* Turn over<br />

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