Which one of the following is a pure substance?
A) concrete
B) wood
C) salt water
D) elemental copper
E) milk
Correct Answer:
Verified
Q2: The law of constant composition applies to
Q4: Which one of the following has the
Q4: For which of the following,can the composition
Q5: The law of constant composition says _.
A)that
Q8: In the following list, only _ is
Q9: A small amount of salt dissolved in
Q10: A combination of sand,salt,and water is an
Q14: If matter is uniform throughout and cannot
Q15: Which states of matter are significantly compressible?
A)gases
Q17: Which of the following is an illustration
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