Characteristic Compounds and Identification Reactions (21–30)

Preview · 10 questions

• 01·Which compound is the characteristic stable oxide of scandium?
• 02·Which oxide is the main pigment and characteristic compound of titanium known for whiteness?
• 03·Which vanadium oxide is a well-known colorful compound (orange) and an important vanadium compound?
• 04·Which chromium compound is a characteristic green oxide pigment used as 'chrome green'?
• 05·Which manganese compound is a common black oxide used industrially and as an oxidizing agent?
• 06·Which iron oxide is the reddish-brown rust commonly used to describe iron(III) oxide?
• 07·Which cobalt compound gives the traditional 'cobalt blue' pigment (as a mixed oxide or aluminate)?
• 08·Which nickel compound is a characteristic green hydrated sulfate used in identification tests?
• 09·Which copper compound is the characteristic bright blue hydrated sulfate often used in qualitative tests?
• 10·Which zinc compound is a common white powder (used as a pigment and antiseptic) and characteristic oxide of zinc?