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