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Author Question: What is the chemical formula of "fool's gold"? (Read 34 times)

javeds

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on: Feb 15, 2020

Question 1

In which compound does oxygen have a -1 oxidation state?
◦ MgO
◦ O2
◦ H2O
◦ H2O2

Question 2

What is the chemical formula of "fool's gold"?
◦ cinnabar, HgS
◦ gypsum, CaSO4↔2H2O
◦ galena, PbS
◦ pyrite, FeS2
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by javeds on Feb 15, 2020

Dominic

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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javeds

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Reply 2 on: Feb 15, 2020
Wow, this really help

peter

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Reply 3 on: Yesterday
:D TYSM

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