Question

(a)why is milk regarded as mixture not a pure substance (b) write the names of element present in glucose and methane

Answer 1

Dear student,

(a) Milk is a heterogeneous mixture of two liquids that is oil and water.
The particles of oil are suspended in the water such that it can not be differentiated due to its small size.
​​​​​​Thus, milk is a mixture and not a pure substance.

(b) elements present in glucose are carbon, hydrogen and oxygen
elements present in methane are carbon and hydrogen

Regards