Question

Which statement best describes what happens during a chemical change?

Both the identity and the properties of a substance change.
Some properties of a substance change, but its identity remains the same.
The chemical properties of a substance change, but its physical properties rema
The physical properties of a substance change, but its chemical properties rema

Answer 1

Both the identity and the properties of a substance change.

Step-by-step explanation:

In a chemical change, the matter gets transformed or changed into a new substance. In doing this, the identity of the substance, and its properties change as well.

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Answer 2

Both the identity and the properties of a substance change.

Step-by-step explanation:

During most chemical reactions, both the identity and the properties of substances changes. The chemical and physical properties of a substance often changes during this kind reaction.

A chemical change has the following properties:

• A new kind of substance forms.
• It is always accompanied by energy changes
• Involves a change in mass of the substance
• Considerable amount of energy is involved in this reaction.
• The process is irreversible