questions on raising agents?

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1. what is air?

  • air is a mixture of gases . air is incorporated into mixtures using non mechianical methods.
  • air is a mixture of gases.Air is incorparated into mixtures using mechanical methods.
  • air is 2 types of gases and can not be incorporated into mixtures.
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2. what is the function of carbon dioxide?

  • carbon dioxide is incorporated into mixtures in two ways.
  • one of the ways is chemical raising agents - bicarbonate of soda
  • one of the other ways is using a biological raising agent- from the fermentation of yeast.

3. the function of baking powder?

  • baking powder is not made from a combination of alkaline and acid.
  • baking powder is made from a combination of alkaline and acid substances.
  • baking powder is made from a non combination of alkaline and non acid substances.

4. what is the function of steam?

  • high baking temperatures which allow the liquid to quickly reach boiling point.
  • low amounts of liquid in the mixture for example - milk in yorkshire pudding.
  • the liquid reaches boiling point and steam isnt released.

5. how does a raising agent work?

  • when heated the bubbles form a rough struct containing a network of big holes.
  • the action of moisture triggers a reaction with the raising agent to produce a gas.
  • gas doesnt expand when heated.
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Comments

Lethal Lew13

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LISA WORKS AT MORRISONS

Protheroe01

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archie wright Norton is a postman

Lethal Lew13

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post man pat

cozzabucket123

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i found this very useful. Thank you 

Rara espana

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some of the answers need to be changed so it makes sense

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