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Byju's Answer

Standard XII

Chemistry

Starch

Baking powder...

Question

Baking powder is more commonly used to make cakes or bread "rise". Filler in baking powder is:

N a H C O_{3}

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C a (H_{2} P O_{4})_{2}

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starch

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N a A l (S O_{4})_{2}

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Solution

The correct option is C starch
An improved combination of baking powder contains about 40% starch, 30% $N a H C O_{3}$ , 20% $N a A l (S O_{4})_{2}$ and 10% $C a (H_{2} P O_{4})_{2}$ .
Here starch acts as filler.

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Similar questions

N a H C O_{3}

can be used on its own to make cakes or bread. Baking powder is more commonly used, and contains

N a H C O_{3}

C a (H_{2} P O_{4})_{2}

and starch. An improved combination baking powder contains about 40% starch, 30%

N a H C O_{3}

20%

N a A l (S O_{4})_{2}

and 10%

C a (H_{2} P O_{4})_{2}

Answer the following questions based on above study.

In improved baking powder,

N a A l (S O_{4})_{2}

is used for :

N a H C O_{3}

can be used on its own to make cakes or bread. Baking powder is more commonly used, and contains

N a H C O_{3}

C a (H_{2} P O_{4})_{2}

and starch. An improved combination baking powder contains about 40% starch, 30%

N a H C O_{3}

20%

N a A l (S O_{4})_{2}

and 10%

C a (H_{2} P O_{4})_{2} .

Answer the following questions based on above study.

Rise in bread and cakes is due to______ when it decomposes between

50^{o} C

and

100^{o} C

Q. Assertion :Baking powder contains

N a H C O_{3}

C a (H_{2} P O_{4})_{2}

, starch and

N a A l (S O_{4})_{2}

. Reason:

\begin{matrix} N a H C O_{3} \end{matrix}

C a (H_{2} P O_{4})_{2}

is acidic in aqueous solution. Acidic solution of

C a (H_{2} P O_{4})_{2}

liberates

C O_{2}

on reaction with

N a H C O_{3}

Starch ] as a filter

N a A l (S O_{4})^{2}

retarder so that

C O_{2}

is given off more slowly while preparing cake or bread.

Q. Baking powder used to make a cake is a mixture of starch,

N a H C O_{3}

and

C a (H_{2} P O_{4})_{2}

. The function of

C a (H_{2} P O_{4})_{2}

is:

Q. The more commonly used baking powder contains about 30%

N a H C O_{3}

, 20%

N a A l (S O_{4})_{2}

, 10%

C a (H_{2} P O_{4})_{2}

and 40% starch. Which of the following statements are correct?

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Baking powder is more commonly used to make cakes or bread "rise". Filler in baking powder is:

The correct option is C starchAn improved combination of baking powder contains about 40% starch, 30% NaHCO3, 20% NaAl(SO4)2 and 10% Ca(H2PO4)2. Here starch acts as filler.

The correct option is C starch
An improved combination of baking powder contains about 40% starch, 30% $N a H C O_{3}$ , 20% $N a A l (S O_{4})_{2}$ and 10% $C a (H_{2} P O_{4})_{2}$ .
Here starch acts as filler.