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Chemical Reactions-Chapter 7
Test Description: Part 2
Instructions: Answer all questions to get your test result.
1) What is the shorthand form for describing a chemical reaction?
A
chemical equation
B
chemical formula
C
chemical change
D
chemcial reaction
2) reactions that require absorb heat (thermal) energy
A
chemical reactions
B
endothermic reactions
C
physical reactions
D
exothermic reactions
3) reactions that release heat (thermal) energy
A
exothermic reactions
B
endothermic reactions
C
chemical reactions
D
physical reactions
4) Which is a neutral subatomic particle?
A
electron
B
neutron
C
atom
D
proton
5) What is the term for a change in size, shape, or state?
A
physical reaction
B
physical change
C
chemical reaction
D
chemical change
6) The arrow in a chemical equation refers to the word_________________.
A
energy
B
balances
C
produces
D
equals
7) tells you the number of atoms of each element
A
subscript
B
mass
C
therm
D
bond
8) a process that produces a chemical change
A
physical change
B
physical reaction
C
chemical change
D
chemical reaction
9) substances on the right side(and produced by) of a chemical equation
A
products
B
reactants
C
bonds
D
atoms
10) substances on the left side of a chemical equation
A
atoms
B
bonds
C
products
D
reactants
*select an answer for all questions
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