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Final Exam 5
Test Description: Final
Instructions: Answer all questions to get your test result.
1) A way to measure pH using electrodes
A
Titration
B
pH Meter
C
pH paper
D
Transition Interval
2) A way to measure pH using a mixture of indicators
A
Titration
B
pH Meter
C
Transition Interval
D
pH paper
3) A way to measure unknown concentrations of a substance.
A
Titration
B
pH Meter
C
Transition Interval
D
pH paper
4) The point where an indicator starts to change color
A
pH Meter
B
Titration
C
pH paper
D
Transition Interval
5) sum of the number of protons and neutrons
A
atomic number
B
nuclear equation
C
isotopes
D
mass number
6) number of protons in the nucleus
A
nuclear equation
B
atomic number
C
isotopes
D
mass number
7) shows the radioactive decomposition of an element
A
mass number
B
atomic number
C
nuclear equation
D
isotopes
8) atoms with identical atomic numbers but different mass numbers
A
atomic number
B
isotopes
C
nuclear equation
D
mass number
9) You should pour water into acid.
A
False
B
True
10) A change of 1 pH unit represents a one hundred fold change in the acidity of the solution.
A
True
B
False
*select an answer for all questions
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