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Author Question: Consider the following properties of an element: (i) It is solid at room temperature. (ii) It ... (Read 82 times)

strangeaffliction

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on: Aug 27, 2018
Consider the following properties of an element:
 
  (i) It is solid at room temperature.
   (ii) It easily forms an oxide when exposed to air.
   (iii) When it reacts with water, hydrogen gas evolves.
   (iv) It must be stored submerged in oil.
 
  Which element fits the above description the best?
  A) sulfur
  B) copper
  C) mercury
  D) sodium
  E) magnesium

Question 2

Which one of the following pairs cannot be mixed together to form a buffer solution?
 
  A) HONH2, HONH3Cl
  B) NaCl, HCl
  C) RbOH, HF
  D) KOH, HNO2
  E) H2SO3, KHSO3
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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Zebsrer

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Reply #1 on: Aug 27, 2018
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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strangeaffliction

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Reply #2 on: Aug 27, 2018
Thanks


Zebsrer

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Reply #3 on: Aug 27, 2018
Welcome :)


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