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WorksheetsAcids, Bases and Salts
Total questions: 10
Worksheet time: 7mins
What is the taste of acid?
Salty
Sweet
Sour
Bitter
Which is not a property of acids?
These are sour to taste.
Acids turn blue litmus red
Acids do not change the colour of turmeric indicator.
With china rose indicator, these give dark pink colour.
Acids turn red litmus blue.
Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Acidic
Basic
None of the above
Neutral
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution?
Acidic
Either basic or neutral in nature
Basic
None of the above
Factory wastes contain (a)
Sodium hydroxide is a/an (a)
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are
Red and blue
Colorless and pink
Colorless and blue
Red and pink
Red and colorless
‘Litmus’, a natural dye is an extract of which of the following?
China rose (Gudhal)
Beetroot
Blue berries (Jamun)
Lichen
(a) Acid is present in Tamarind
What is injected into the skin when an ant bites?
Citric acid
Tamarind
Formic acid
Salt
