Question

State the differences between compounds and mixtures with an example of each. [3 MARKS]

Answer 1

Four Differences : 0.5 Mark each
One example for each : 0.5 Mark

$$\begin{array}{ccc}\text{S.No.}& \text{Compounds}& \text{Mixtures}\\ \text{1.}& \text{It is made up of two or more}& \text{It is made up of two or more pure}\\ & \text{elements that are chemically}& \text{substances that are mixed physically.}\\ & \text{combined.}& \\ \text{2.}& \text{A compound has definite melting and}& \text{A mixture has no definite melting or boiling}\\ & \text{boiling points and density.}& \text{points and density.}\\ \text{3.}& \text{The properties of a compound constituents.}& \text{A mixture retains the properties of the}\\ & \text{are entirely different from those of its}& \text{components.}\\ \text{4.}& \text{A compound is always homogeneous.}& \text{A mixture is heterogeneous, and some are homogeneous.}\\ \text{5.}& \text{The constituents of a compond}& \text{The components of a mixture can be separated}\\ & \text{cannot be separated by physical means.}& \text{by simple physical means,( dissolving,}\\ & & \text{magnetic separation, heating and filtration.)}\\ \text{6.}& \text{For example carbon dioxide, water.}& \text{For example iron in sand, rice in husk.}\end{array}$$