Two or more substances in variable proportions,where the composition is constant throughout are
A) a compound.
B) an element.
C) a heterogeneous mixture.
D) a homogeneous mixture.
E) a crystalline solid.
Correct Answer:
Verified
Q1: A physical change
A) occurs when iron rusts.
B)
Q3: Identify a gas.
A) definite volume and definite
Q4: Which of the following statements about the
Q5: Identify a liquid.
A) definite volume and definite
Q6: A substance that can't be chemically broken
Q7: Which of the following statements is TRUE?
A)
Q8: Which of the following represents a hypothesis?
A)
Q9: Filtration is
A) a process in which the
Q10: Dalton's Atomic Theory states
A) that all elements
Q11: Identify a solid.
A) definite volume and definite
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