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