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WorksheetsAcids,Bases and Salt
Total questions: 10
Worksheet time: 5mins
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colour will be observed
Yellow in both acid and base
Yellow in acid and red in base
Pink in acid and yellow in base.
Red in acid and blue in base.
What is the effect of Common salt in red litmus paper?
Blue
Red
Green
Remains same
Paheli and Boojho buy two lemon juice. They told that it was sour. What substances it contain
Acids
Bases
Neutral
None of the above
Latic acid is found in.
Curd
Soap
Salt
Oil
Litmus’, a natural dye is an extract of which of the following?
China rose (Gudhal)
Blue berries (Jamun
Lichen
Beetroot
Which of the following is a mineral acid?
oxalic acid
carbonic acid
acetic acid
citric acid
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are:
red and blue.
Blue and red.
pink and colourless
colourless and pink
Milk of Magnesia is used an antacid because.
It is basic
It is acidic
it is neutral
None of these
The correct way of making a solution of acid in water is to
mix acid and water simultaneously
Add water to acid in a shallow container.
Add acid to water.
add water to acid
Which of the following is false?
Base turns Turmeric to brick red in colour
Acid turns blue Litmus red
Acid turns Methyl orange indicator to Red orange
Bases turns China rose (Hibiscus) juice into dark pink (Magenta) in colour
