Questions


September 2022 1 3 Report
1.Sea water is an example of_______

A.pure substance B.element
C.Mixture. D . heterogeneous-- mixture

2.Which of the following products at home is an example of pure substance?

A . vinegar. B.vegetable oil
C.mineral water. D.soy sauce

3.A pure water when heated evaporates but do not change it molecular composition, pure water is an example of______

A. mixture. B.element
C.pure substance. D.neither pure substance--
nor mixture

4.Making a cup of coffee does not require a specific amount of coffee, sugar, hot water, and creamer.Cup of coffee is an example of______

A.pure substance B.Mixture
C.compound D.element


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