Question 8
5 pts
A solid, orange PURE SUBSTANCE (K2Cr207) was heated yielding a
colorless gas and a green solid. What kind of material was heated?
O a solution
O an element
O a compound
O a mixture

Question 8 5 pts A solid orange PURE SUBSTANCE K2Cr207 was heated yielding a colorless gas and a green solid What kind of material was heated O a solution O an class=