5 Questions
What is the nature of a chemical change?
The identity of the initial substance changes
How can we recognize that a chemical reaction has occurred?
When a chemical change occurs
What happens when food is cooked?
A chemical change occurs
What happens when grapes get fermented?
A chemical reaction occurs
What happens when we respire?
A chemical reaction takes place
Test your knowledge of chemical reactions and equations with this quiz that explores everyday situations and their chemical processes. From the fermentation of grapes to the digestion of food, see how well you understand the science behind these common occurrences.
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