The features that can be observed from a substance that undergoes a chemical change is that the shape is altered. That is option D.
<h3>What is a chemical change?</h3>
A chemical change is the change in which two or more chemical substances involved in a chemical reaction rearranges their chemical bonds to form a new product.
In the chemical change, the shape of an object can be changed and the object will still remain true to its chemical composition.
Therefore, the features that can be observed from a substance that undergoes a chemical change is that the shape is altered.
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Answer:
A.
Explanation:
A decomposition reaction is when one reactant (the substances to the left of the arrow in the reaction) breaks apart into two or more products (the substances to the right of the arrow).
Because KClO3 is breaking down into KCl and O2, it's a decomposition reaction.
Answer:
C. Digestion is the answer.
