Which of the following is not an example of matter?
A) a rock
B) a hot-air balloon
C) carbon dioxide in your exhaled breath
D) steam
E) heat from a barbeque grill
Correct Answer:
Verified
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
Q7: Which of the following is an example
Q8: Which image(s)in the figure represents a mixture?
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
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