Introduction To Chemistry Study Questions (Part 3)
Introduction to Chemistry Quiz
Test your knowledge of basic chemistry concepts with our engaging quiz designed for students and enthusiasts alike! Dive into questions about density, chemical reactions, and the properties of matter.
Topics covered include:
- Densities of gases
- Chemical vs. physical changes
- The Law of Conservation of Mass
- Understanding temperature and energy
The formula for calculating density is
Mass x Volume
Mass x Weight
Mass / Volume
Volume / Mass
A balloon filled with air does not rise as high as a balloon filled with helium. What does this tell you about the density of helium?
Helium is more dense than air
Helium is less dense than air
The two gases have the same density.
When heated, helium becomes more dense.
The amount of matter in an object is a measure of its
Volume
Density
Weight
Mass
The energy stored in the chemical bonds between atoms is called
Thermal energy
Endothermic energy
Chemical energy
Electrical energy
Which of the following is not a physical change?
Glass breaking
Iron rusting
Ice melting
Sugar dissolving
Which of the following is not a chemical change?
Leaves turning color
Fruit ripening
Silver tarnishing
Food coloring dissolving in water
The fact that matter is neither created nor destroyed in any physical or chemical change is
A Chemical Reaction
The basic unit of a chemical element
The Law of Conservation of Mass
Thermal Energy
The definition for temperature is__________________________________________.
A change in which energy is absorbed
A change in which energy is released
The total energy of all of the particles in an object
A measure of the energy of motion of the particles of matter
Butter is melted in a pan. Which of the following is true about the change?
It is a physical change that releases energy
It is a chemical change that absorbs energy
It is a physical change that absorbs energy
It is a chemical change for which there is no change in energy.
The chemical symbol for Sodium is
Na
Si
Sm
Cr
An exothermic change is
A change in matter that produces one or more new substances
The total energy of all of the particles in an object
A change in which energy is absorbed
A change in which energy is released
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