Honors Chemistry Chapters 1-3 Exam Questions And Answers Rated A+ 2024.
What is the definition of chemistry? - correct answer. The study of the properties and transformations of matter
What is the definition of matter? - correct answer. Anything that has mass and occupies space-- ...
What is the definition of chemistry? - correct answer. The study of the properties and
transformations of matter
What is the definition of matter? - correct answer. Anything that has mass and
occupies space-- things you can see, touch, taste, or smell
What is the definition of a property? - correct answer. A characteristic that can be
used to describe a substance. Substances have both physical and chemical properties
What is the definition of a transformation? - correct answer. A change in the properties
of matter with time. There are physical chances and chemical changes
Substances have both BLANK and BLANK properties - correct answer. Physical and
chemical
Define physical properties - correct answer. Observing this property DOES NOT
ALTER the makeup of a substance.
EX: Density, color, and melting points.
Define chemical properties - correct answer. Observing a chemical property DOES
ALTER the substance.
EX: Chemical composition, what matter is made of, and chemical reactivity, how matter
behaves.
Is a change in state a chemical or physical change? - correct answer. Physical
change
, Is change in particle size a chemical or physical change? - correct answer. Physical
change
Is the formation of mixtures a chemical or physical change? - correct answer. Physical
change
Is the separation of a mixture a chemical or physical change? - correct answer.
Physical change
If heat, light, or electrical energy is emitted or absorbed, is that a physical or chemical
change? - correct answer. Chemical change
Is potassium reacting with water a chemical or physical change? - correct answer.
Chemical change
What are the three states of matter? - correct answer. Solid, Liquid and Gas
What is the definition of a solid? - correct answer. A substance that has a definite
shape and volume. They are rigid and dense
What is the definition of a liquid? - correct answer. A substance that has a definite
volume but that changes shape to fill the container. They are dense and fluid
What is the definition of a gas? - correct answer. A substance that has neither a
definite volume nor a definite shape.
Gases are BLANK density fluids. - correct answer. Low
What effects the state of matter? - correct answer. Pressure and temperature
What is the definition of a pure substance? - correct answer. Matter that is uniform in
its chemical composition and properties
What is an example of a pure substance? - correct answer. Water
What is the definition of a mixture? - correct answer. A blend of two or more pure
substances in any ratio, each retaining their identity?
What is an example of a mixture? - correct answer. Dissolving sugar in water
What can separate mixtures into one or more pure substances? - correct answer.
Physical changes, such as evaporation and condensation
What are the two types of pure substances? - correct answer. Elements and Chemical
Compounds
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