Acid, Base and Salts MCQ question and answer with solution

81

Oil of Vitriol' is the common name of which of the following?

A) Nitric acid B) Carbonic acid C) Acetic acid D) Sulphuric acid

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Answer & Solution

Answer: Option D

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82

Acid turns blue litmus red and base turns red litmus blue. A student tested a liquid with a red litmus paper which remained red with no change. This shows that the liquid

A) is not a base B) is not an acid C) is neither an acid nor a base D) must be pure water or acid

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Answer & Solution

Answer: Option D

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83

Which one of the following salts when dissolved in water makes the solution basic?

A) Sodium chloride B) Copper sulphate C) Ferric chloride D) Sodium acetate

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Answer & Solution

Answer: Option D

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84

. . . . . . . . is the primary acid present in ripe bananas.

A) Formic acid B) Sulphuric acid C) Malic acid D) Hvdrochloric acid

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Answer & Solution

Answer: Option C

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85

Antacids are

A) base B) acid C) salt D) buffer

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Answer & Solution

Answer: Option A

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86

Statement I Addition of water to an aqueous solution of HCl decreases the pH.
Statement II Addition of water suppresses the ionisation of HCl.

A) Both the statements are individually true and statement II is the correct explanation of statement I B) Both the statements are individually true but statement II is not the correct explanation of statement I C) Statement I is true, but statement II is false D) Statement I is false, but statement II is true

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Answer & Solution

Answer: Option C

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87

When mixed with sulphuric acid, the color of litmus solution will be different?

A) orange B) red C) pink D) blue

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Answer & Solution

Answer: Option B

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88

Methyl orange . . . . . . . . it happens.

A) Pink in acidic medium, in alkaline medium B) Colorless in acidic medium, pink in alkaline medium C) Yellow in acidic medium, colorless in alkaline medium D) Red in acidic medium, xellow pink in alkaline medium

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Answer & Solution

Answer: Option D

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89

What will we see if we take a small amount of liquefied soda and add about 1mL dilute hydrochloric acid to it?

A) Only the neutralization reaction occurs, no gas is released B) White colored sediment is formed C) CO₂ gas emits with strong bubbling D) H₂ gas emits with the sound of pop

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Answer & Solution

Answer: Option C

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90

If the pH value of X is 9, then the pH value of Y is 2, the pH value of Z is 6 and the pH value of A is 13, then which of the following pairs has strong acid and strong base?

A) X, A B) A, Y C) Y, Z D) Y, A

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Answer & Solution

Answer: Option D

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Acid, Base and Salts MCQ question and answer with solution | Chemistry Gk MCQs