Which is a pure substance ?
A) element
B) compound
C) mixture
D) both A and B
Correct Answer:
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Q32: Which is a pure substance existing as
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Q35: What can you observe in the following
Q36: Which is a mixture?
A)copper wire
B)sugar
C)water
D)mud
Q38: In which phase do the particles possess
Q39: Matter always has both mass and volume.
Q40: Which of the following diagrams represents an
Q41: The majority of the volume of a
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