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 criterion for purity of a substance

When a substance changes directly from solid-state to a gaseous state, the substance is said to ____

A solid can be obtained from its saturated solution by

A compound U melts at 82ºC and boils at 113ºC. if U was found to be insoluble in water, a mixture of U in water could best be separated by

A mixture of oil and water can be easily separated by ________.

The order in which a mixture of sand ammonium chloride and sodium chloride can be separated is through

A substance is said to be impure if