Recent Lessons

Show all results for ""

Chemical Reactions

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which side of the arrow in a chemical reaction represents the products?

Right side (correct)
Top side
Left side
Bottom side

What are the products in a chemical reaction?

Reactants
Ingredients
Atoms
None of the above (correct)

What happens to the arrangement of atoms during a chemical reaction?

Atoms are rearranged in different ways (correct)
Atoms disappear
Atoms are detached and reattached in the same way
Atoms remain unchanged

What is a good analogy for a chemical reaction?

Baking a cake (D) Signup and view all the answers

What are reactants in a chemical reaction?

The starting materials for the reaction (A) Signup and view all the answers

How are chemical reactions usually represented?

With an arrow (→) (C) Signup and view all the answers

What do chemical reactions make and break?

Chemical bonds (D) Signup and view all the answers

Which of the following statements is true about chemical reactions?

Chemical reactions change the properties of the reactants involved. (B) Signup and view all the answers

What is the purpose of a chemical reaction?

To rearrange atoms into new configurations. (A) Signup and view all the answers

What happens to the number of atoms in a chemical reaction?

The number of atoms remains the same. (B) Signup and view all the answers

Which of the following is an example of a chemical reaction?

Burning wood. (C) Signup and view all the answers

What is the product of the chemical reaction: C6H12O6 + 6O2 -> 6CO2 + 6H2O?

Carbon dioxide and water. (B) Signup and view all the answers

What is the relationship between the properties of the reactants and the products in a chemical reaction?

The properties of the reactants and products can be the same or different. (B) Signup and view all the answers

What are some signs that indicate a chemical reaction has occurred?

A change in color, a change in temperature, and a gas being produced. (A) Signup and view all the answers

What is the substance formed in a chemical reaction called?

Product (C) Signup and view all the answers

Flashcards are hidden until you start studying