Which of these can be classified as a pure substance?

Question 14 options:

solution

compound

heterogeneous mixture

homogeneous mixture

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Question 15 (1 point) Question 15 Unsaved

If a solution is saturated, which of these is true?

Question 15 options:

More solute can be dissolved.

The concentration cannot be increased.

The solution has a low concentration of solute.

More solvent can be dissolved.

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Question 16 (1 point) Question 16 Unsaved

The following characteristics describe which of these terms? The substance is not uniform in appearance and each part of the mixture contains a combination of different ingredients in different ratios.

Question 16 options:

heterogeneous mixtures

homogeneous mixtures

pure substance

solution

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Question 17 (1 point) Question 17 Unsaved

Which one of the following is not a compound?

Question 17 options:

salt

sugar

water

chocolate chip cookies

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Question 18 (1 point) Question 18 Unsaved

Which one of the following is not a homogeneous mixture?

Question 18 options:

vegetable soup

carbonated beverages

saline solution

brewed tea

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What is the difference between a compound and a mixture?

A mixture is a pure substance, but a compound is not.

A compound is a pure substance, but a mixture is not.

Mixtures are chemically combined, but compounds are not.

You cannot separate mixtures, but you can separate compounds.

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Which of these is a unique property of acids?

feels slippery

tastes sour

has a PH level of 10 or higher

contains a carbon