
Indications of a Reaction
Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
Austin Blackford
Used 1+ times
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14 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Identify ALL evidences of a chemical reaction.
Change of state (liquid to gas)
Color change
Temperature change
Tearing a paper
Burning a paper
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which statement below describes a PHYSICAL change?
Burning the crust of the bread when making toast.
Placing waffles in the toaster and applying butter on it.
Frying an egg to make an egg sandwich.
Using a cookie cutter to make heart-shaped cookies.
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
When a chemical change occurs, ____________ with ___________ is formed.
a new substance
different properties
the same substance
same properties
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following examples shows that a chemical reaction has occurred?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A student places a piece of a potato into a container of hydrogen peroxide. One observation the student makes is that bubbles form around the potato. The presence of bubbles might indicate the formation of a new substance because bubbles -
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hydrogen peroxide breaks down to form water and oxygen gas. Which observation is evidence that a chemical reaction has occurred?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A clear liquid from a flask is poured into another clear liquid in a beaker. Which of the following results of this procedure would indicate a new substance was formed?
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