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Chemical Reactions
Quiz
•
Science
•
7th Grade
•
Easy
whitney gessel
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance that is formed as the result of a chemical reaction is a __________________
Product
Reactant
Starters
Enders
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
According to the law of conservation of mass, matter cannot be created or ________
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.
True
False
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of mercury (Hg) are in the reactants?
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of oxygen (O) are in the reactants?
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of mercury (Hg) are in the products?
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of oxygen (O) are in the products?
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