Which of the following is an example of a pure substance?
A) a copper wire
B) milk
C) leather
D) a piece of carpet
E) ocean water
Correct Answer:
Verified
Q2: Which of these substances is an element?
A)C
B)CO
C)N2
D)HCl
E)both
Q3: Which image(s)in the figure represents a pure
Q4: Which of these elements is a metal?
A)Ca
B)N
C)Ne
D)C
E)O
Q5: Which of the following is not an
Q6: Which image(s)in the figure represents a mixture
Q8: Which image(s)in the figure represents a mixture?
Q9: Which of the following is not an
Q10: The symbol for the element copper is
Q11: Which of these substances is a compound?
A)Co
B)NI3
C)Fe
D)CCl4
E)both
Q12: Which of these elements is a nonmetal?
A)Na
B)Mg
C)Cu
D)K
E)Cl
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