<P> A heterogeneous mixture is a mixture of two or more chemical substances ( elements or compounds ) . Examples are : mixtures of sand and water or sand and iron filings , a conglomerate rock , water and oil , a portion salad , trail mix , and concrete ( not cement ) . A mixture of powdered silver metal and powdered gold metal would represent a heterogeneous mixture of two elements . </P>
<P> A heterogeneous mixture is a mixture of two or more chemical substances ( elements or compounds ) . Examples are : mixtures of sand and water or sand and iron filings , a conglomerate rock , water and oil , a portion salad , trail mix , and concrete ( not cement ) . A mixture of powdered silver metal and powdered gold metal would represent a heterogeneous mixture of two elements . </P>
a mixture that does not appear to be the same throughout is said to be
a mixture that does not appear to be the same throughout is said to be
heterogeneous
heterogeneous