Changing black inks. You can set the change of black ink to automatic, or you can manually switch between Matte (Mk) and Photo (Pk) inks. In the past this was a distinct problem with Epson printers if, like me, you used both matte (art) papers and glossy papers.
Submit. Â· just now. Report Abuse. Sodium iodide is a polar compound and polar compounds are soluble in water because of water s polarity.So sodium iodide is soluble in water. Imran Â· 7 months ago. Thumbs up. 2.
Solubility rules: 1  Common sodium, potassium and ammonium compounds are soluble in water. 2  Common nitrates, acetates and chlorates are soluble. 3  Common chlorides are soluble except for silver, mercury and lead. 4  Common sulfates are soluble except calcium, barium, strontium and lead.