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15
×
What does amphoteric mean?
capable of reacting as either an acid or a base
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25
×
Explain the normal method of preparing carbon dioxide in the lab.
Dilute hydrochloric acid is reacted with marble chips (calcium carbonate).
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15
×
Why is water neutral?
Concentrations of H+ and OH- are equal.
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heart
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star
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rocket
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thief
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25
×
Name the three reactions in which all acids take part. An acid can react with...
(1) a reactive metal (2) a base (3) a metal carbonate or metal hydrogencarbonate
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15
×
What is created when a metal takes the place of the hydrogen in an acid?
a salt
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banana
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star
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gift
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lifesaver
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25
×
What salt is made with potassium hydroxide (KOH) and nitric acid (HNO3)?
potassium nitrate (KNO3)
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5
×
Do all metal oxides dissolve in water? What pH solutions do they form?
no; usually alkaline
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15
×
Which of the four is the weakest alkali? (caustic soda, caustic potash, ammonia, limewater)
ammonia
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10
×
Summarize the reaction of an acid with a base.
acid + base -> salt + water
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5
×
Insoluble salts like barium sulfate and silver chloride are not crystallized, but instead produced by ionic p____________.
precipitation
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20
×
Which word means "capable of reacting as either an acid or a base"?
amphoteric (or amphiprotic)
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15
×
What is another way to describe a hydrogen ion (H+)?
a proton
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20
×
What are the products of the reaction between sodium hydroxide and hydrochloric acid?
sodium chloride and water
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fairy
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banana
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