✋Introduction
Characteristics of chemical reactions
In this lesson: I can describe some of the changes that indicate a chemical reaction is taking place. Characteristics of chemical reactions include changes in colour, bubbling, or a change of temperature. Bubbles appear when a gas is produced in a chemical reaction.
Lesson outcome
Waxaan qeexi karaa qaar ka mid ah isbeddellada muujinaya in falcelin kiimikaad ay dhacayso.