Base And Salts MCQ

Test your knowledge with important Base And Salts MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Base And Salts MCQs at Bissoy

• Goldsmiths uses aqua regia, which is prepared by mixing
  ক

  Nitric acid and Sulphuric acid

  খ

  Nitric acid and Hydrochloric acid

  গ

  Sulphuric acid and Hydrochloric acid

  ঘ

  Citric acid and Benzoic acid
• A solution turns red litmus blue, the pH is likely to be-
  ক

  4

  খ

  10

  গ

  5

  ঘ

  1
• Which of the followtng substances has a pH value of about 14?
  ক

  Sodium hydroxide

  খ

  Milk of magnesia

  গ

  Blood

  ঘ

  Lemon Juice
• Which one of the following will not produce carbon dioxide on reacting with an aqueous solution of hydrochloric acid?
  ক

  Limestone

  খ

  Quicklime

  গ

  Chalk

  ঘ

  Marble
• Which one of the following is not a property of acid?
  ক

  Acid taste is sour

  খ

  The taste of acid is bitter

  গ

  Acid combines with alkali to form salts

  ঘ

  Acid converts blue litmus to red
• Which of the following is not correct about baking soda?
  ক

  It is used in soda-acid fire extinguisher

  খ

  It is added for faster cooking

  গ

  It is a corrosive base

  ঘ

  It neutralises excess acid in the stomach
• Which of the following weak acids gives H⁺ ion when dissolved in water?
  ক

  hydrochloric acid

  খ

  acetic acid

  গ

  nitric acid

  ঘ

  sulphuric acid
• Which of the following statements is not true with respect to alkali?
  ক

  Sour in taste

  খ

  Corrosive

  গ

  Astringent in taste

  ঘ

  Soapy to the touch
• The salts of strong acids and strong bases have a pH value.
  ক

  0

  খ

  7

  গ

  more than 7

  ঘ

  less than 7
• Which of these substances is not secreted in the stomach as an ingredient of gastric acid?
  ক

  potassium chloride

  খ

  sulphuric acid

  গ

  hydrochloric acid

  ঘ

  sodium chloride
• If the soil is treated with soft acid, then the soil will contain the flowers of Hydrangea culm will be-
  ক

  white color

  খ

  blue

  গ

  brown

  ঘ

  pink
• . . . . . . . . can dissolve gold.
  ক

  Glycerin

  খ

  Petroleum ether

  গ

  Methanol

  ঘ

  Aquaregia
• When we cut an onion, the synthase enzyme converts the amino acid sulfoxide of the onion into which acid?
  ক

  Citric acid

  খ

  Nitric acid

  গ

  Sulphuric acid

  ঘ

  Sulfenic acid
• Which one of the following is a similarity between acids and bases?
  ক

  They are used as preservatives

  খ

  They have pH less than 7

  গ

  Process of mixing acid or base with water is exothermic

  ঘ

  They are bitter
• Which one of the following does not contain COOH group?
  ক

  Citric acid

  খ

  Lactic acid

  গ

  Tartaric acid

  ঘ

  Ascorbic acid
• Which one of the following is an amphoteric oxide?
  ক

  CO₂

  খ

  SO₂

  গ

  Al₂O₃

  ঘ

  CuO
• Milk tastes sour when it is left in open for sometime. This happens due to the formation of
  ক

  lactic acid

  খ

  citric acid

  গ

  acetic acid

  ঘ

  carbonic acid
• What is the dominant chemical present in vinegar?
  ক

  Malic acid

  খ

  Formic acid

  গ

  Sulphuric acid

  ঘ

  Ethanoic acid
• If the pH of a salt is zero, it is a salt of . . . . . . . .
  ক

  Strong acid and weak base

  খ

  Weak acid and strong base

  গ

  Strong acid and strong base

  ঘ

  Weak acid and weak base
• The litmus solution is extracted from the . . . . . . . .
  ক

  lichen

  খ

  hydrangea

  গ

  geranium

  ঘ

  petunia
• Match the sources in Column II with the product of Column I.<br>
  ক

  <table class="table-style-1"> <tr> <td><strong>Column I (Product)</strong></td> <td><strong>Column II (Source)</strong></td> </tr> <tr> <td>a. Formic acid</td> <td>1. Lemon</td> </tr> <tr> <td>b. Citric acid</td> <td>2. Tamarind</td> </tr> <tr> <td>c. Tartaric acid</td> <td>3. Ants</td> </tr></table> a-3, b-2, c-1

  খ

  a-3, b-1, c-2

  গ

  a-2, b-3, c-1

  ঘ

  a-2, b-1, c-3
• The pH of milk is 6. When it turns sour, the pH
  ক

  [ <p><span>A. becomes <p><span>B. remains the same, i.e., 6

  খ

  becomes &gt; 6

  গ

  becomes neutral, i.e., 7
• The solution of which one of the following will have pH less than 7?
  ক

  NaOH

  খ

  KCl

  গ

  FeCl₃

  ঘ

  NaCl
• If the pH value of a salt is 14, then that salt is . . . . . . . .?
  ক

  Weak acid and weak base

  খ

  Weak acid and strong base

  গ

  Strong acid and weak base

  ঘ

  Strong acid and strong base
• Atraditional 'battery' contains which of the following chemicals?
  ক

  Ethylene glycol

  খ

  Sulphuric acid

  গ

  Sodium bicarbonate

  ঘ

  Ethanol
• Identify the odd one from the following-
  ক

  NaOH

  খ

  Cu(OH)₂

  গ

  NH₄OH

  ঘ

  Zn(OH)₂
• The Soda-acid fire extinguisher contains
  ক

  sulphuric acid and solution of sodium hydrogen carbonate

  খ

  nitric acid and solution of sodium hydrogen carbonate

  গ

  sulphuric acid and solution of sodium carbonate

  ঘ

  sulphuric acid and solution of potassium carbonate
• To develop photographic plates
  ক

  Sodium thiosulphate is used as oxidising agent

  খ

  Free Bromine releases

  গ

  Light affected area quickly oxidizes

  ঘ

  The solution is kept developing until all the Bromide is not dissolved
• Which of the following is the major component of vinegar?
  ক

  Citric acid

  খ

  Lactic acid

  গ

  Nitric acid

  ঘ

  Acetic acid
• On the labels of the bottles, some soft drinks are claimed to be acidity regulators. They regulate acidity using
  ক

  carbon dioxide

  খ

  bicarbonate salts

  গ

  both 1 and 2

  ঘ

  carbon dioxide and lime