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19 questions
Match the following terms with their correct definitions.
Diffusion | A homogeneous mixture made by dissolving one substance in another. | ||
Solute | The substance in a solution that does the dissolving. | ||
Solution | The substance in a solution that gets dissolved. | ||
Solvent | Movement in gases and liquids that spreads out particles. |
Match the following terms with their correct definitions.
Gas | The state of matter with a definite shape and definite volume. | ||
Liquid | The state of matter with a definite volume but not a definite shape. | ||
Density | The state of matter with no definite shape nor definite volume. | ||
Solid | The ratio of a substance's mass to its volume. |
Letter A is
Pure substance
Compound
Homogeneous mixture
Heterogeneous mixture
Letter B is
Pure substance
Compound
Homogeneous mixture
Heterogeneous mixture
Letter C & D are
Pure substance
Compound
Homogeneous
Heterogeneous
All matter takes up space and has ________.
Water is an element.
True
False
All (a) substances have a(n) (b) composition.
Which is NOT a common phase of matter?
Solid
Liquid
Gas
Quantum
Salt water is best classified as a mixture.
True
False
Reactivity is a physical property.
True
False
All metals conduct electricity.
True
False
Baking a cake is an example of a(n) (a) .
Evaporation and condensation are examples of (a)
An element can be broken down into simpler substances. A compound cannot.
True
False
red color
flammability
density
solubility
melting point
boiling point
odor
hardness
malleability
reactability
salt dissolves in water
a penny is cut in two
water is heated and turns to steam
ice melts
volume of air decreases when temp decreases
an acid and a base react to form a salt, water, and heat
copper reacts with moist air to form a patina
iron rusts
milk curdles
wood catches fire
a model rocket launches
a coke can is crushed
bake a cake
blow up a balloon
Breaking a compound down into its elements involves a CHEMICAL CAHANGE. A compound and the elements that make it up are different substances so breaking down a compound involves making new substances which is a chemical change.
True
False
Viscosity is a (a) property because it can be (b) or observed without changing the (c) .
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