Which one of the following statements is correct?

a) The composition is uniform throughout ahomogeneousmixture.

b) A heterogeneous mixture is also known as a solution.

c) The combination of two or more liquids always results inahomogeneous mixture.

d) Pure substances may be separated by filtrationordistillation into at least two components.

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Jarrod RobelLv2

23 Jun 2019

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Related questions

In the reaction equation shown below, there are three rectants, but in lab you only combined two solutions together. One was 0.001 M aqueous KMnO4 and the other contained aqueous NaNO2 and HCl. Complete the following statements. You may find the flowchart (attached) helpful.

5 NaNO₂ + 2 KMnO₄+ + 6 HCl ---> 5 NaNO₃ + 2 KCl + 2 MnCl₂ + 3 H₂O

The provided aqueous KMnO4 was ___? Explain your reasoning for the classification

a. pure element

b. heterogenous mixture

c. pure compound

d. homogeneous mixture

The provided aqueous NaNO2 + HCL was a ___? Explain your reasoning for the classification

a. pure element

b. heterogenous mixture

c. pure compound

d. homogeneous mixture

Which of the following is true of a compound?

A compound must be solid at room temperature
A compound is a substance that cannot be separated into simpler substances by chemical means
A compound is a combination of two or more substances in which the substances retain their distinct identities
A compound is a substance composed of atoms of two or more elements chemically united in a fixed ratio
A compound must be heterogeneous