[Answered] Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which one of the ...

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Author Question: Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which one of the ... (Read 41 times)

APUS57

Hero Member
Posts: 571

on: Aug 27, 2018

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

Sr. Member
Posts: 338

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

TRUE

APUS57

Member
Posts: 571

Reply 2 on: Aug 27, 2018

Thanks for the timely response, appreciate it

softEldritch

Member
Posts: 334

Reply 3 on: Yesterday

TYSM

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