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Exam 11: Crystals, Ions, and Solutions

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Question 21

Multiple Choice

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The symbol of the hydroxide ion is

A) H₃O^-.
B) H₃O⁺.
C) OH^-.
D) OH⁺.

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Question 22

Multiple Choice

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Reverse osmosis

A) is used to replenish the oxygen content of bodies of water.
B) causes dead zones off the mouths of rivers.
C) is used to soften hard water.
D) is used to desalinate salt water.

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Question 23

Multiple Choice

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The weakest bonds are

The fundamental reaction of neutralization is

A saturated solution contains

Which of the following would you expect to be a strong electrolyte in solution?

The chief use of freshwater in the world is in

The individual particles in a molecular solid are held together as a result of

Ionic crystals dissolve only in liquids that are

The chief ions in seawater are

The individual particles in a covalent solid are held together as a result of

An example of an ionic solid is

A solution of ammonia, NH₃, in water is

Pure water has a pH of

The individual particles in an ionic solid are held together as a result of

Which solids are the best heat conductors?

The strongest bonds are

When a supersaturated solution is disturbed,

The symbol of the hydronium ion is

Which solids are the best electrical conductors?