Chemistry
Grade-8
Easy
Question
The indication/s which proves that the chemical reactions have occurred is/are:
Hint:
A chemical reaction is a process in which the bonds are broken within the reactant molecules and new bonds are formed in order to yield a new substance which is called a product.
The correct answer is:
The exposed surface of sliced apples turn brown is a chemical reaction.
- Here change in color is observed.
- The exposed surface of sliced apples oxidizes, a chemical transformation that causes the apple to turn brown.
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