Acid, Base and Salts MCQ question and answer with solution

1

The acid in gastric juice is

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

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Answer & Solution

Answer: Option C

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2

Which of the following statements regarding the properties of alkali is false?

A) Blue litmus turns into red B) Alkali has a bitter taste C) Alkali are soft to touch D) Conducts electricity in alkali solution (they are electrolyte)

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Answer & Solution

Answer: Option A

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3

Which represents the increase in pH value from 7 to 14-

A) Decrease in OH^- concentration B) Increase in H⁺ concentration C) Decrease in H⁺ concentration D) Increase in OH^- concentration

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Answer: Option D

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4

Which of the following is not a property of alkali?

A) They make red litmus blue B) They produce hydrogen ions in water C) They decompose the thick material D) They are slippery, soapy

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Answer & Solution

Answer: Option B

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5

What will be the pH value of a solution whose concentration of hydrogen ions is 1 × 10^-5 moles per liter-

A) 6 B) 5 C) 4 D) 7

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Answer & Solution

Answer: Option B

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6

Acids that contain other non-metallic elements, in addition to oxygen, along with hydrogen, are called:

A) strong acid B) weak acid C) hydra/oxy D) dilute acid

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Answer & Solution

Answer: Option C

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7

If the pH value of a substance is less than 7, it will be considered.

A) neutral B) alkali C) acid-acid D) ion

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Answer & Solution

Answer: Option C

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8

What is the action of dry HCl gas on dry litmus paper?

A) Blue litmus paper turns red B) Blue litmus paper turns white C) Blue or red litmus paper does not change its color D) Red litmus paper turns blue

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Answer & Solution

Answer: Option C

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9

Which one of the following is commonly used as an indicator to measure the exact pH?

A) Phenolphthalein B) Litmus C) Eosin D) Universal Indicator

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Answer & Solution

Answer: Option D

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10

Which of the following indicators cannot be used to differentiate between acidic and neutral solutions?

A) Methyl orange B) Phenolphthalein C) Eosin D) Universal Indicator

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Answer & Solution

Answer: Option C

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