5 Questions
What are the observations that help determine whether a chemical reaction has taken place?
Change in state, change in color, evolution of a gas, change in temperature
What is formed when magnesium ribbon burns in air?
Magnesium oxide
What is the result of the reaction between magnesium and oxygen present in the air?
Magnesium oxide
What is the activity 1.1 described as?
When a magnesium ribbon is burnt in oxygen, it gets converted to magnesium oxide
What do we say has occurred when a chemical change takes place?
A chemical reaction
Test your knowledge of chemical reactions with this quiz! Explore the concepts of physical and chemical changes, and learn how to recognize when a chemical reaction has occurred. Sharpen your understanding of matter and its transformations in this engaging quiz.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
