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WorksheetsAcids, Bases and Salts
Total questions: 20
Worksheet time: 10mins
Salts of Sulphurous acid (H2SO3) is named as-
Sulphates
Sulphites
Sulphide
None
Which of the following is weak acid?
Carbonic acid
Nitric acid
Sulphuric acid
Hydrochloric acid
Guava contains __________ acid.
Citric acid
Carbonic acid
Lactic acid
Oxalic acid
An indicator that turns pink in basic medium is ________.
Phenolphthalein
Turmeric Powder
Red litmus paper
Blue Litmus Paper
Salts formed by the reaction of strong acid and strong base are ________ salts.
Acidic salts
Basic salts
Neutral salts
None
The color of red litmus paper in basic salt solution is -
Remains Red
Changes to blue
No color change
Changes to violet
Na3PO4 is __________ salt.
Acidic
Basic
Neutral
None
Naturally occurring acids that are found in plants and animals are called ________.
Organic acids
Mineral acids
Both
None
The general taste of acids and bases is respectively-
Sweet and salty
Sour and salty
Sour and sweet
Sour and bitter
The _______ show different colours in an acidic and in basic medium.
Indicator
Lemon juice
Acetic acid
None
Acidic salts are made up of ______ acid and ______ base, respectively.
Strong, weak
Strong, strong
Weak, strong
Weak, weak
Sodium acetate is a _____ salt.
Acidic
Basic
Neutral
None of these
An indicator that turn green in basic medium is _______.
Phenolphthalein
China rose
Litmus paper
Turmeric power
Identify weak acid-
Acetic acid
Nitric acid
Sulphuric acid
Hydrochloric acid
Identify the products, when nitric acid reacts with potassium hydroxide-
Potassium nitrate & water
Potassium hydroxide and water
Potassium sulphate and water
None
Identify the products, when Ammonium hydroxide reacts with Sulphuric acid.
Ammonium sulphate and water
Ammonium nitrate and Sulpuric acid
Ammonium sulphate and ammonium sulphate
Water
Identify basic salt.
Sodium chloride
Ammonium chloride
Sodium acetate
Copper acetate
An aqueous solution of NaCl can turn red litmus into-
Blue
Color remains same that is red
Changed to purple
None
NaOH and KOH are also known as-
Strong bases
Alkalis
Both
None
Acid secreted by our body (stomach) for digestion of food is-
Concentrated Hydrochloric acid
dilute Acetic acid
dilute Hydrochloric acid
Concentrated Sulphuric acid
