science worksheet 4
Worksheet no 4
True or false
State whether
true of false.
1) Nitric acid turns red litmus paper blue.
2) Sodium hydroxide turns blue litmus paper
red.
3) Indicator is a substance which shows
different colours in acidic and basic
solution .
4)If an indicator changes colour with a base
,it does not change colour with an acid.
5)Change of colour in an acid and a base
depends on the type of the indicator
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