1 markAcids, Bases and Salts
CSEC Chemistry · January 2005 · Paper 2 · Question 2(c)(i)
Which of the Suspensions, P or Q, could serve as an antacid?
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Practise this questionOther parts of this question
- 2(a)Calculate the number of moles of Al(OH)₃ in 250 g of Suspension P. (Relative Atomic Mass: Al = 27, O = 16, H = 1).[3 marks]
- 2(b)(i)Explain why the reaction stops after a while.[2 marks]
- 2(b)(ii)Outline a suitable laboratory method for preparing a dry sample of calcium sulphate. Include a relevant equation in your answer.[4 marks]
- 2(c)(ii)Write a chemical equation to support your answer to (c) (i).[2 marks]
- 2(d)State THREE ways in which a colloid differs from a suspension.[3 marks]
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