Flour, salt, sugar, eggs and baking powder are ingradients for baking a cake, when you mix these ingradients, you get batter. Is batter a mixture or a compound? The batter is put into an oven to bake into a cake. Is the cake a mixture or a compound? Explain your answers.

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Solution

(a) Batter is a mixture because
(i)No chemical reaction takes place during its formation.
(ii)Its properties are the properties of its substances that make it up.
(iii) Its constituents can be in any proportion by mass.
(iv) Its components can be separated by using physical methods.
(v) Cake is a compound because of the reasons opposite to those stated above.

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