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Chemical And Physical Change
Test Description: :)
Instructions: Answer all questions to get your test result.
1) Which of the following does NOT identify the formation of a new substance?
A
gas is omitted
B
a chunky solid substance forms
C
one liquid dissolving into another
D
the temperature gets hotter
2) You mix baking soda and vinegar together and observe bubbling and fizzing. What can be determined based on this observation?
A
no chemical reaction occurred
B
a chemical reaction produced a gas
C
a chemical reaction produces a solid
D
only a physical change happened
3) You blow up a balloon and pop it with a pin. Is this a chemical or physical change?
A
physical
B
chemical
4) 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 bigger
B
the sugar melts into a liquid
C
the sugar gets hotter because of the flame
D
the sugar turns black
5) You mix redbull and milk together and a solid, chunky substance forms. Is this a chemical or physical change
A
chemical
B
physical
6) 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
7) Is ice melting a chemical or physical change?
A
physical
B
chemical
8) Is adding food coloring to water a chemical or physical change
A
Physical
B
Chemical
9) Are fireworks exploding a chemical or physical change
A
physical
B
chemical
10) what occurs during a chemical change?
A
a completely new substance is formed
B
the object looks different but is still the same thing
*select an answer for all questions
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