C3 Separation Technique Get it Right!

Boiled tap water is a pure substance.

• True

• False

When a mixture is filtered, the solid left on the filter paper is called the filtrate.

• True

• False

During crystallisation, a solution is heated until all the water is boiled off.

• True

• False

Water can be used to separate a mixture of sugar and salt.

• True

• False

In simple distillation, the thermometer should be placed in the solution in order to measure its boiling point accurately.

• True

• False

During fractional distillation of ethanol and water, ethanol distils over first.

• True

• False

Chromatography is used to obtain water from a mixture of ink and water.

• True

• False

Impurities increase the melting and boiling points of a substance.

• True

• False