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Author Question: Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which one of the ... (Read 72 times)

APUS57

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Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which one of the following would be best to dissolve the deposit?
 
  A) ammonia
  B) bleach
  C) lye
  D) vinegar

Question 2

All four halogens, F, Cl, Br and I, are diatomic in their free state.
 
  Indicate whether the statement is true or false



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johnharpe

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Answer to Question 1

D

Answer to Question 2

TRUE




APUS57

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Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


patma1981

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Reply 3 on: Yesterday
Excellent

 

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