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raising agents
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Cards (24)
carbohydrates
are the main source of energy for
humans
What are the three gases mentioned in the study material?
AIR,
STEAM
,
CARBON DIOXIDE
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What is the typical texture of goods prepared by creaming, rubbing, or whisking?
Light and fluffy
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What is needed to achieve the light and fluffy texture in food?
Heat
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What are some examples of goods that achieve a light and fluffy texture?
Soufflés
Cream puff pastry
Steamed pudding
Choux pastry
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What are some examples of baked goods that typically rise due to carbon dioxide?
Bread
(most breads)
Cakes
(most cakes)
Biscuits
Scones
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What is the result of combining acid and heat in baking?
Carbon dioxide is released
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What happens when acid and weak alkali are combined with heat?
Carbon dioxide
is released
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What is produced when weak alkali is combined with heat?
Carbon dioxide is released
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What is the result of mixing yeast and sugar?
Carbon dioxide
is produced
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What are raising agents in baking?
Ingredients
or
processes
that introduce
gas
into a mixture
Causes the mixture to rise when cooked
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What happens when an acid is added to an alkali in baking?
Carbon dioxide
gas is produced
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What occurs if the acid and alkali neutralize each other?
No
carbon dioxide
is produced
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What are the methods of incorporating air into mixtures?
Rubbing
and folding
Beaten
and folded
Sieving
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What is formed when air is trapped inside a liquid?
Foams
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What happens to proteins in liquids when agitated?
They
structure
and trap air
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What does bicarbonate of soda produce when heated?
Carbon dioxide
bubbles
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What is self-raising flour composed of?
Baking powder
, flour, and a
neutralizing agent
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Why does bicarbonate of soda need an acid to work during baking?
It has an
alkaline
nature
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What does baking powder contain?
A mixture of
bicarbonate of soda
and an
acid
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What does yeast produce during fermentation?
Carbon dioxide
and
alcohol
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What happens when yeast is mixed with flour and water?
Carbon dioxide
creates bubbles in the dough
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What effect does heat have on the bubbles created by carbon dioxide in dough?
The bubbles
expand
, causing the bread to rise
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What can happen to carbon dioxide production at high temperatures during baking?
Even
more
carbon dioxide may be
produced
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