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Author Question: Which of the following is an example of calcination? (Read 199 times)

jazziefee

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Question 1

Which of the following is TRUE of powder metallurgy?
◦ It is used to separate gangue from the rest of the metal ore.
◦ Iron powder from mill scrap makes a denser component than iron particles formed through water atomization.
◦ There is more waste than with casting the molten metal.
◦ Machining is required after forming the component.
◦ It usually requires lower temperatures than casting the molten metal.

Question 2

Which of the following is an example of calcination?
◦ CaCO3(s) + SiO2(s) CaSiO3(l) + CO2(g)
◦ SnO2(s) + 2C(s) Sn(l) + 2CO(g)
◦ 2CuS(s) + 3O2 2CuO(s) + 2SO2(g)
◦ PbO(s) + CO(g) Pb(l) + CO2(g)
◦ MgCO3(s) MgO(s) + CO2(g)


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Marked as best answer by jazziefee on Nov 18, 2019

heyhey123

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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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jazziefee

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review


TheDev123

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Reply 3 on: Yesterday
:D TYSM

 

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