Which of the following is an example of a chemical change?
A) tea brewing
B) water boiling
C) leaves turning colour in the fall
D) sugar dissolving in water
E) None of the above is a chemical change.
Correct Answer:
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Q1: A physical change
A) occurs when iron rusts.
B)
Q4: Kilogram is a measure of _.
A) mass
B)
Q7: Which of the following represents a chemical
Q11: A chemical change _.
A) occurs when methane
Q15: Identify the unit of measurement that is
Q16: Metre is a measure of _.
A) mass
B)
Q20: Second is a measure of _.
A) mass
B)
Q22: Ampere is a measure of _.
A) luminous
Q23: Which of the following is an example
Q34: Identify the common substance that has the
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