
Chemistry 2 Practice Test
Authored by Mark Braxton
Chemistry
8th Grade
Used 5+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemical Reaction
a substance formed as a result of a chemical reaction
a change in matter that produces one or more new substances
the process in which substances undergo chemical changes that result in the formation of new substances
a substance that enters into a chemical reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Law of Conservation of Matter
tells how many atoms of an element are contained in one molecule or formula unit.
the starting materials in a chemical reaction
the new substances that are formed in a chemical reaction
A law stating that atoms are not created or destroyed during a chemical reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
2,6,3,2
it's already balanced
4,12,3,4
2,1,4,5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of carbon (C) are in C6H12O6?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Element or compound?
H2O
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl2 + H2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
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