Chemistry with Hocus Pocus

Question 1

Which chemical reaction occurs when an acid and a base are mixed together?

Accepted Answer

Neutralization

Question 2

In a chemical reaction, the mass of the reactants is equal to the mass of the products.

Accepted Answer

True

Question 3

When two substances are mixed and bubbles form, it often indicates a ____ has occurred.

Accepted Answer

Chemical reaction

Question 4

In chemistry, substances that dissolve in liquids are called solutes.

Accepted Answer

True

Question 5

What happens when you mix two chemicals and energy is released as heat?

Accepted Answer

Exothermic reaction

Question 6

When ingredients form a uniform mixture, it is called a ____.

Accepted Answer

Homogeneous mixture

Question 7

Which of the following best describes a chemical reaction?

Accepted Answer

New substances form

Question 8

What type of mixture has visibly different parts or layers?

Accepted Answer

Heterogeneous

Question 9

Potions in Hocus Pocus operate according to the same scientific principles as chemical reactions in a lab.

Accepted Answer

False

Question 10

The Sanderson sisters use magical ingredients in potions. In chemistry, what is the most common solvent in solutions?

Accepted Answer

Water

Question 11

Which of these scientific items is used to measure the temperature of a solution or mixture?

Accepted Answer

Thermometer

Questions 11