Detergents MCQ

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

• Sequential steps involved in the manufacture of alkyl-aryl sulfonates are __________
  ক

  chlorination-alkylation-sulfation

  খ

  alkylation-chlorination-sulfonation

  গ

  chlorination-alkylation-sulfonation

  ঘ

  alkylation-chlorination-sulfation
• Catalysts used in the catalytic hydrogenation of coconut oil are _____________
  ক

  Nickel catalysts

  খ

  Copper catalysts

  গ

  Platinum catalysts

  ঘ

  Cobalt catalysts
• Sequential steps involved in the manufacture of sodium salts of sulfated fatty alcohols are _______________
  ক

  hydrogenation- reduction-sulfation

  খ

  reduction-hydrogenation-sulfation

  গ

  hydrogenation-sulfation-reduction

  ঘ

  reduction-sulfation-hydrogenation
• Which chemical compound is not added at the stage of sodium reduction of coconut oil (detergent manufacture)?
  ক

  Amyl alcohol

  খ

  Xylene

  গ

  Toluene

  ঘ

  Oleum
• Sodium carboxycellulose is used __________
  ক

  to extend foam

  খ

  to avoid aluminum corrosion

  গ

  as brighteners

  ঘ

  to improve soil and dirt suspension
• Which of the following have excellent grease emulsification characteristics?
  ক

  Detergent builders

  খ

  Anionic detergents

  গ

  Non-ionic detergents

  ঘ

  Cationic detergents
• An example of cationic detergent is _____________
  ক

  pyridinium derivatives

  খ

  fatty acid amides

  গ

  sulfonates

  ঘ

  aliphatic polyhydric alcohol esters
• Which of the following chemical is added in washing powder for keeping it dry?
  ক

  Sodium silicate

  খ

  Inorganic phosphate

  গ

  Carboxy-methyl cellulose

  ঘ

  Sodium perborate
• Which of the following chemical is added in washing powder for keeping the dirt suspended in water?
  ক

  Sodium silicate

  খ

  Inorganic phosphate

  গ

  Carboxy-methyl cellulose

  ঘ

  Sodium perborate
• The % weight of detergent in washing powders is ____________
  ক

  5 – 10

  খ

  50 – 70

  গ

  15 – 30

  ঘ

  30 – 45
• If the carbon chain is linear, the corresponding detergent will be ____________
  ক

  Soft and non-biodegradable

  খ

  Soft and biodegradable

  গ

  Hard and biodegradable

  ঘ

  Hard and non-biodegradable
• If the carbon chain is highly branched, the corresponding detergent will be ____________
  ক

  Soft and biodegradable

  খ

  Soft and non-biodegradable

  গ

  Hard and biodegradable

  ঘ

  Hard and non-biodegradable
• The detergents which bear negative charge at the soluble end of the chain are called anionic detergents.
  ক

  True

  খ

  False
• Which of the following is an example of cationic detergent?
  ক

  Alkyltrimethyl ammonium chloride

  খ

  Sodium salts of alkyl sulphates

  গ

  Sodium salts of alkyl benzene sulphonic acids

  ঘ

  Polyethers
• Which of the following is an example of non-ionic detergent?
  ক

  Alkyltrimethyl ammonium chloride

  খ

  Sodium salts of alkyl sulphates

  গ

  Sodium salts of alkyl benzene sulphonic acids

  ঘ

  Polyethers
• Which of the following is also known as invert detergents?
  ক

  Anionic detergents

  খ

  Cationic detergents

  গ

  Non-ionic detergents

  ঘ

  All detergents comes in the category of invert detergents
• Detergents are synthetic soaps like cleansing agents and are also known as ____________
  ক

  Artifacts

  খ

  Detritus

  গ

  Syndets

  ঘ

  Collagen