Acids, Bases and Salts - EWF-1

Change of colour in an acid and a base depends on the type of the _____________

Acid turns ____________ litmus red.

Bases turn ____________ litmus blue.

Litmus has a ___________________ colour in distilled water.

In neutralisation reaction a new substance is formed. This is called ___________.

Lemon juice is _______________ in nature.

Nitric acid turns red litmus blue.

• True

• False

Sodium hydroxide turns blue litmus red.

• True

• False

Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water.

• True

• False

Indicator is a substance which shows different colours in acidic and basic solutions.

• True

• False