The color an object appears to be is the color of light that it absorbs. t or f

An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Can someone me with 6 to 10 plz this is for masteries test.