Answer
a. pure
b. mixture
c. mixture
d. pure
e. mixture
f. pure
g. mixture
h. mixture
i. mixture
Iron and Uranium are elements but water is a compound.
Work Step by Step
a. water contains only one type of molecules hence it is pure substance.
b. blood is a homogeneous mixture of several compounds.
c. Ocean contains water, salts and lot of other compounds also so it is a mixture.
d. Iron contains only iron atoms so it is a pure substance.
e. Brass is a mixture of copper and zinc.
f. Uranium contains only uranium atoms so it is a pure substance.
g. Wine contains ethanol and water mixture so it is a mixture.
h. Leather contains several compound so it is a mixture.
i. Table salt contains is not pure sodium chloride, it contains other elements also like iodine so it is a mixture.
