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Ответ:

1 Who is Heston Blumenthal and why is he important?
Heston Blumenthal is an English chef.He is important because he has made people think about the science of cooking.

2 What does 'a chemical change' mean?
'A chemical change' means that we create a nes substance.

3 What happens to make a cake rise?
Baking powder (NaHCO3) in mixture changes at a high temperature it produces CO2 and the cake grows.

4 What happens when bread becomes toast?
When bread becomes toast the carbohydrates in the bread break to form Carbon and this makes bread brown and hard.

5 What happens when we cook meat and eggs?
When we cook meat and eggs the protein molecules take the energy from the heat and change shape and meat gets harder and brown, eggs become solid and white.

6 Which of Blumenthal's dishes is made using liquid nitrogen?​
Bacon-and-egg ice cream is made using liquid nitrogen by Heston Blumenthal.

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