SS1: Chemistry Evaluation Questions 1st Term – Week 4

Sugar is separated from its impurities by:

A mixture of petrol and water can be separated through _____

Chlorophyll obtained from green leaves of plants can be shown to be composed of more than one coloured component by the technique of ____

Which of the following is not a cretria for purity of a substance

When a substance changes directly from the gaseous state to the solid state without forming a liquid, the substance is said to ____