Which of the following is an example of a chemical change?
A) dry ice sublimes
B) charcoal burning
C) ethanol evaporates
D) ice melting
E) All of the above are examples of chemical change.
Correct Answer:
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Q12: The factor 0.01 corresponds to which prefix?
A)deka
B)deci
C)centi
D)milli
Q64: The factor 106 corresponds to which prefix?
A)deka
B)deci
C)mega
D)milli
Q64: Which of the following represents a chemical
Q66: Choose the heterogeneous mixture from the list
Q67: Kelvin is a measure of
A) temperature.
B) mass.
C)
Q68: Which of the following is an example
Q71: Which of the following represents a physical
Q72: Identify the unit of measurement which is
Q73: Identify the smallest measurement.
A) attometer
B) nanometer
C) centimeter
D)
Q74: Choose the compound from the list below.
A)
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