Question

Which statement BEST explains why baking a cake is evidence of a chemical reaction?

A The state of matter of some of the ingredients changed while being cooked.
The total mass of the ingredients was the same before and after they were cooked.
The temperature of the ingredients increased as they absorbed thermal energy from the oven.
The ingredients formed a new substance after they were cooked in the oven.

Answer 1

Baking a cake is evidence of a chemical reaction because the ingredients form a new substance during the process.

Step-by-step explanation:

The statement that BEST explains why baking a cake is evidence of a chemical reaction is that the ingredients formed a new substance after they were cooked in the oven. When a cake is baked, the ingredients go through a chemical reaction called baking, which causes the physical and chemical properties of the ingredients to change. For example, the batter undergoes a reaction where the proteins denature, the sugars caramelize, and the fats melt and react with other ingredients to form a solid and delicious cake.

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