Which of the following is an example of a pure substance?
A) sand
B) tap water
C) aluminum in a soda can (not considering the paint or plastic coatings)
D) river water
E) granite
Correct Answer:
Verified
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
Q13: A combination of two or more substances
Q14: Select the substance below which is a
Q16: Which image(s)in the figure represents a mixture
Q17: Which of the following statements regarding elements
Q18: Which of the following is an example
Q19: Which of the following does not apply
Q20: Which of the following is not an
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