Which of the following is a mixture?
Carbon dioxide
Iron
Sugar
Sand
Carbon dioxide
Iron
Sugar
Sand
2 Answers
Sand
Explanation:
Carbon dioxide is made up of the compound
Iron is made up of the element Iron unless oxidised where it would then contain iron oxide
Sugar or sucrose is considered a disaccharide and is made up of fructose and glucose combined together as 1 molecule
Sand is considered a mixture because it contains a combination of silicates, chlorides, sulphates and nitrates. It is usually said that this combination is heterogenous meaning the mixture is not the same throughout.
Sand is a mixture of the elements silicon, oxygen and some particles..
Explanation:
Sand can also be a compound since it has the formula
For the rest;
Carbon dioxide, is a compound,
Iron, is an element,
Sugar, is a complex compound,