Question 3

Two housewives were arguing about which flour has protein, wheat versus white flour.

(a) Describe a test you would carry out in the laboratory to determine which flour consists of protein.

(b) State what you would observe.

(c) Discuss two nutritional value of wheat flour versus white flour.

(d) Wheat flour and white flour are used to make dough in bread making. Discuss the role of gluten and leaving agent (both yeast and baking powder) in bread making. Include in your answer chemical equation for the action of yeast and baking powder.

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