Chemical And Physical Change Question Preview (ID: 48465)


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Which of the following does NOT identify the formation of a new substance?
a) one liquid dissolving into another
b) gas is omitted
c) the temperature gets hotter
d) a chunky solid substance forms

You mix baking soda and vinegar together and observe bubbling and fizzing. What can be determined based on this observation?
a) a chemical reaction produced a gas
b) a chemical reaction produces a solid
c) no chemical reaction occurred
d) only a physical change happened

You blow up a balloon and pop it with a pin. Is this a chemical or physical change?
a) chemical
b) physical
c)
d)

A teacher heats sugar over a flame. Which of the following below is evidence that the chemical properties of the sugar changed?
a) the sugar gets hotter because of the flame
b) the sugar gets bigger
c) the sugar melts into a liquid
d) the sugar turns black

You mix redbull and milk together and a solid, chunky substance forms. Is this a chemical or physical change
a) chemical
b) physical
c)
d)

You mix salt and water until all the salt dissolves. You then boil the water until it completely evaporates and only the salt is left behind. Is this a chemical or physical change
a) chemical
b) physical
c)
d)

Is ice melting a chemical or physical change?
a) chemical
b) physical
c)
d)

Is adding food coloring to water a chemical or physical change
a) Chemical
b) Physical
c)
d)

Are fireworks exploding a chemical or physical change
a) chemical
b) physical
c)
d)

what occurs during a chemical change?
a) the object looks different but is still the same thing
b) a completely new substance is formed
c)
d)

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