Question

Refer back to your data. List all indicators of chemical change that you observed.

Answer 1

Chemical change is a type of change in which new substances are formed. Chemical change usually occur as a result of chemical change. There are many indicators that can show that a substance has undergone chemical change, these include:
1. color change: the substance will change in colour
2. Change in temperature
3. Noticeable change in odour
4. formation of precipitate
5. formation of bubbles
6.Emission of light
7.Formation of a gas.
Substances that undergone these changes have experienced chemical change.

Answer 2

Some of the observable chemical changes are: change in temperature or color, precipitate formation, formation of gas, pungent odor smell, etc.

What is a Chemical Change?

A chemical change is a change that occurs when a particular chemical substance is transformed into one or more different substances.

Some of the observable chemical changes are:

• Change in temperature or color,
• Precipitate formation,
• Effervescence of gas,
• Pungent odor smell  etc

Learn more about a chemical change here:

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