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Which statement about bases is false?
A. B. C. D.
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A. Bases disassociate to make OH-.B. Bases have a pH less than 7.C. All bases taste bitter.D. All bases feel slippery.
Which is true about acids?
A. B. C. D.
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A. ionize to form hydronium ions (H30+)
B. taste sourC. have a pH less than 7D. all the above are true
The pH of a substance measures its
A. B. C. D.
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A. Boiling pointB. Food valueC. Ability to mix with waterD. hydronium ion (H30+)
concentration.
The salt Na2SO4 forms by a reaction between what acid and base?
A. B. C. D.
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A. NaOH and HClB. NaCl and H2O.
C. NaOH and H2SO4
D. NaCl and NH3
When a solution of an acid reacts with a solution of a base, the hydronium ions (H30+) react with the hydroxide
ions (OH-) to form
A. B. C. D.
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A. a saltB. a stronger acidC. a weaker baseD. water
When an acid reacts with a base, the pH of the resulting solution depends
on the
A. B. C. D.
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A. amounts of acid and base used
B. concentration of base aloneC. temperature of the acid and
base usedD. concentration of acid alone
What is a salt?
A. B. C. D.
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A. solution that contains a strong baseB. a neutral, ionic compound C. formed by mixing two strong acidsD. contains more anions than cations
How does soap remove great and oil from your skin?
A. B. C. D.
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A. attracts and surrounds grease & oilB. is an acid to neutralize the dirtC. dissolves the dirtD. makes water harder
Which is the strongest electrolyte?
A. B. C. D.
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A. Weak baseB. Strong acidC. Neutral solutionD. Weak acid
The salt, KCl, is formed by a reaction between which base and acid?
A. B. C. D.
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A. KOH and H2O
B. KI and HClC. KOH and HClD. KI and NH3
Which is an example of a neutralization (double displacement) reaction?
A. B. C. D.
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A. NaOH → Na++ OH-
B. HNO3 + H2O → H3O+ + NO3-
C. 2H2 + O2 → 2H2O
D. NaOH + HNO3 → H2O + NaNO3
A(n) ____________________ is a compound that can change color in a solution, depending on whether the
solution is acidic or basic
A. B. C. D.
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A. pHB. IndicatorC. Neutralization reactionD. Detergent
A chemical doesn’t really get rid of stains, it just turns them white
A. B. C. D.
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A. SoapB. DetergentC. BleachD. Electrolyte
A(n) ______ is a substance that donates hydrogen ions (H+) to form hydronium ions
(H30+) when dissolved in water.
A. B. C. D.
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A. acidB. baseC. saltD. soap
A(n) ____ is a substance that either contains hydroxide ions (OH-) or reacts
with water to form them.
A. B. C. D.
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A. AcidB. BaseC. SaltD. Indicator
Measures the acidity or alkalinity of a solution
A. B. C. D.
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A. Neutralization ReactionB. IndicatorC. pH D. Antacid
An acid and a base react to make a salt and water
A. B. C. D.
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A. DisinfectantB. SoapC. Neutralization reactionD. Electrolyte
Neutral compounds formed when acids and bases react.
A. B. C. D.
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A. AntacidsB. SaltsC. SoapsD. Disinfectants
Substances that can conduct electricity are called ____
A. B. C. D.
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A. AcidsB. BasesC. ElectrolytesD. All of the above are
correct
Makes an upset stomach feel better because they neutralize stomach acid
A. B. C. D.
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A. AntacidsB. SoapsC. DisinfectantsD. Bleach
Kills germs – pick the BEST answer
A. B. C. D.
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A. DetergentB. DisinfectantC. BleachD. Soap
What two substances surround grease and oil (emulsify) to help water wash
them away?
A. B. C. D.
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A. Bleach & disinfectantB. Soap & disinfectantC. Bleach & detergentD. Soap & detergent
If you spill an acid in class, what should you neutralize it with?
A. B. C. D.
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A. WaterB. Baking sodaC. VinegarD. Drano
Why use detergents and not soaps when washing your clothes?
A. B. C. D.
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A. It cleans betterB. It won’t react with the
water to make soap scumC. It is cheaperD. There is no difference
Be able to name an example of each:- strong acid- weak acid- neutral substance- weak base- strong base