Chemistry Practice Test – Separating Techniques for Mixtures (Questions with Answers and Explanations)

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The constituents of Air includes the following EXCEPT _______

A. Nitrogen       B. mineral salts       C. oxygen      D. water vapour


The following processes are involved in the change of state of matter EXCEPT _____

A. cooling   B. melting   C. vaporization   D. sublimation


_______ contains two or more elements which are chemically combined.

A. compound     B. Matter      C.  element      D. molecule


The separating technique used to separate two or more miscible liquids with close boiling points is known as _______

A. distillation       B. Decantation       C. evaporation        D. fractional distillation



The mixture illustrated in the diagram above can be separated by ______

A. Evaporation       B. Decantation       C. filtration       D. none of the above

 

 

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