Answer:
The answer to your question is a) pure substance- compound
Explanation:
a) pure substance-compound. A pure substance can be an element or compound that is not mixed with another substance, glucose is a compound and also a pure substance.
b) mixture-heterogeneous. This option is wrong because glucose is not mixed with another substance.
c) pure substance-element. Glucose is a pure substance but it is a compound because it is composed of carbon, hydrogen, and oxygen. This option is incorrect.
d) mixture-homogeneous. Glucose is not a mixture, it is a pure substance. This option is wrong.
e) none of the above. This option is wrong because the first option is correct.
Answer: A. Pure substance - compound
Explanation: Sugars or sacharrides are complex compounds having Carbon,Hydrogen and Oxygen atoms on its composition. Since a combination of two or more different elements forms a compound and compounds are pure substances.
