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2 marksReactions of Carbon Compounds

CSEC Chemistry · January 2012 · Paper 2 · Question 6(a)(ii)

Dough has a mixture of flour, water and a leavening agent as the major ingredients. During the making of dough, a number of important physical and chemical changes take place.

Discuss the role of Leavening agent (baking powder and yeast) in the making of dough:

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Other parts of this question

  1. 6(a)(i)Discuss the role of Water in the making of dough:[2 marks]
  2. 6(a)(iii)Discuss the role of Heat in the making of dough:[2 marks]
  3. 6(b)Write THREE relevant chemical equations to support your answer in (a). Include AT LEAST ONE equation from the action of yeast and ONE from the action of baking…[6 marks]
  4. 6(c)Suggest a possible explanation for this.[3 marks]

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