States Of Matter Question Preview (ID: 34148)
7th Grade.
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this causes something to change state
a) temperature
b) smashing
c) crushing
d) eating
the measure of kinetic energy
a) temperature
b) mass
c) density
d) volume
which is a chemical property of water?
a) water reacts with some metals (oxidation)
b) water freezes at 0 degrees C
c) water boils at 100 degrees C
d) the water's volume is 200mL
If you can see particles in a mixture it is probably a
a) suspension
b) solution
c) pure
d) water
matter in a gas state have much __________energy than matter in a solid state
a) more
b) less
c) of the same
d) greater
in this type of reaction energy is released
a) exothermic
b) endothermic
c) nuclear fusion
d) nuclear radiation
the three most common states of matter
a) solid, liquid, gas
b) metal, nonmetal, metalloids
c) solid, suspension, colloid
d) colloid, suspension, solution
which is a chemical property of matter?
a) flammability
b) density
c) color
d) texture
matter in a frozen state has
a) less energy
b) more energy
c) the same energy
d) no energy it is too cold
which of the following can speed up the rate of chemical reaction?
a) breaking out the reactant into smaller pieces
b) lowering temperature
c) removing the catalyst
d) lowering the reactant concentration
boiling is this type of change
a) pysical
b) chemical
c) both physical and chemical
d) it depends on what is boiling
melting is this type of change
a) physical
b) chemical
c) long
d) short
The law of conservation of mass states that
a) Mass stays the same even as something changes state, it is always conserved
b) that mass cannot always be determined
c) mass sometimes increases when the state of something changes
d) hydrocarbon
which of the following is evidence that a chemical reaction has taken place
a) the presence of an odor after burning a sugar cube
b) the puddle after melting an ice cube
c) the production of a shard of glass after breaking a glass bottle
d) the loud noise from splitting an ionic compound
which of the following is an example of exothermic reaction?
a) burning wood
b) melting an ice cubee
c) boiling water
d) photosynthesis
Water is known as the universal _______ because it dissolves many things
a) solvent
b) solution
c) dissolver
d) suspension
which is true about elements and compounds?
a) elements are pure, while compounds have more than one element in them
b) they are both found on the periodic table
c) they are both pure substances
d) elements and compounds have more than one element in them
which of the following molecule is a hydrocarbon?
a) CH4
b) CO2
c) H2O
d) O2
If you cannot see any particles and light can pass straight through, then it is probalbly this type of mixture
a) pure solution
b) a suspension
c) a colloid
d) water mixture
this is a property that only solids have
a) definite shape and volume
b) particles that are always in motion
c) particles that no longer move at all not even vibrate
d) has a definite shape
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