What is the process called when substances are changed into different substances with different properties, creating a new substance?

What is the process called when substances are changed into different substances with different properties, creating a new substance?

• A. Mass Change
• B. Matter
• C. Physical Change
• D. Chemical Change

Answer: (D)

A chemical change is when substances react to form new substances with different properties. In a chemical change, the atoms in the starting materials rearrange and new chemical bonds form, resulting in substances with identities and properties that are different from what you began with. This is why you can notice changes like color shifts, gas bubbles, a temperature change, or a solid forming from a solution. These clues point to the creation of new substances, not just a change in how the material looks or feels. That’s why this description matches a chemical change—the process produces a substance with new properties.

A chemical change is when substances react to form new substances with different properties. In a chemical change, the atoms in the starting materials rearrange and new chemical bonds form, resulting in substances with identities and properties that are different from what you began with. This is why you can notice changes like color shifts, gas bubbles, a temperature change, or a solid forming from a solution. These clues point to the creation of new substances, not just a change in how the material looks or feels. That’s why this description matches a chemical change—the process produces a substance with new properties.