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3. Give one example of each

A. homogeneous mixture

B. heterogeneous mixture

C. element

D. compound
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A. homogeneous mixture

Ans) the molecules of constituent solute and solvent are uniformly mixed throughout its bulk. 

For example : Sugar and water

B. heterogeneous mixture

Ans) In heterogeneous mixtures the molecules of the constituents are not uniformly mixed throughout the bulk.

For example : Sand and Water(Suspension of an insoluble solid in a liquid)

C. element 

Ans) Elements are pure substances which can not be broken down into simpler substances by ordinary chemical changes

For example : : gold, silver 

D. compound 

Ans) Compounds are the pure substances which can be broken down into simpler substances by ordinary chemical changes.

For example : Nacl , H2O

 

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