Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which of the following situations can be considered a chemical reaction?
Which of the following situations can be considered a chemical reaction?
- Leaving milk at room temperature during summers
- Leaving an iron tawa/pan/nail exposed to humid atmosphere
- Grapes getting fermented
- Food getting cooked (correct)
What is the difference between a physical change and a chemical change?
What is the difference between a physical change and a chemical change?
- Physical change involves a change in the physical properties of the substances, while chemical change involves a change in the chemical properties (correct)
- Physical change involves a change in the nature and identity of the substances, while chemical change does not
- Physical change occurs when a substance reacts with another substance, while chemical change occurs when a substance changes state
- There is no difference between a physical change and a chemical change
How can we determine if a chemical reaction has taken place?
How can we determine if a chemical reaction has taken place?
- By observing a change in the temperature of the substances
- By observing a change in the mass of the substances
- By observing a change in the chemical properties of the substances (correct)
- By observing a change in the physical properties of the substances
What is the purpose of Activity 1.1 mentioned in the text?
What is the purpose of Activity 1.1 mentioned in the text?
Signup and view all the answers
Which of the following is an example of a chemical change?
Which of the following is an example of a chemical change?
Signup and view all the answers
Flashcards are hidden until you start studying
