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Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 18:45, 16 January 2022 (UTC)Reply[reply]

Will grain size affect the roughness of surface?

Not usually, unless some chemical or mechanical effect affects the grain boundaries differently than the bulk. Plating or dissolution tend to produce facets, which are larger for larger crystals, while intergranular fracture (due to bad heat treatment) exposes internal facets. Also, some wear processes are affected indirectly by grain size. --Joel 21:21, 6 September 2005 (UTC)Reply[reply]

The grains article is start on the same topic as this article. It seems like a no-brainer to merge the two. --Wizard191 (talk) 02:29, 7 October 2008 (UTC)Reply[reply]

   Lest there be confusion, be aware that (whatever the case may have been a decade ago) Grain is now an article on the many plant species grown for their seeds); presumably its Dab apparatus reflects the silliness of Dab'n of plurals of nouns that are not proper names.
--Jerzy•t 01:14, 22 November 2018 (UTC)Reply[reply]

a.amourphous solid b.crystalline solid c.liquid crystal d.all of the above Jalalulhaq (talk) 12:18, 4 October 2022 (UTC)Reply[reply]

pair of compounds which are isomorphic in nature is A,NaCl and KNO3. B,MgO and ZnO. C,NaNO3 and CdS. D,NaF and CaCO3​ Jalalulhaq (talk) 13:11, 4 October 2022 (UTC)Reply[reply]