Acids, Bases and Salts
9 Board Chemistry previous year questions on Acids, Bases and Salts — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.
Which of the following is not an olfactory indicator?
Sweet potato
Correct answer: C) Sweet potato
The substance which is NOT an olfactory indicator is sweet potato.
Explanation:
Olfactory indicators are substances whose smell changes in acidic or basic solutions.
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Clove oil – olfactory indicator
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Vanilla – olfactory indicator
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Sweet potato – not an olfactory indicator
Hence, the correct answer is C) Sweet potato.
An aqueous solution of an acid conducts electricity because the acid dissolves in water
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Which acid is found in ant sting?
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A solution turns blue litmus to red, its pH is likely to be -
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pH value of a neutral solution is -
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In which of the following is tartaric acid found?
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The gas evolved on the reaction between zinc and dilute sulphuric acid is -
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An acid present in curd is -
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The chemical formula of Plaster of Paris is:
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