Class 12 Chemistry MCQ

Test your knowledge with important Class 12 Chemistry MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Class 12 Chemistry MCQs at Bissoy

• Identify the cationic detergent from the following.
  ক

  Cetyltrimethylammonium bromide

  খ

  Sodium dodecyl sulphate

  গ

  Pentaerythritol monostearate

  ঘ

  Sodium lauryl sulphate
• Dishwashing liquids are examples of ______
  ক

  soaps

  খ

  anionic detergents

  গ

  cationic detergents

  ঘ

  non-ionic detergents
• What is the use of trisodium phosphate in soap powders?
  ক

  To make the soap act rapidly

  খ

  To make it lather

  গ

  To prevent rapid drying

  ঘ

  For good odour
• When a soap is dissolved in ethanol followed by the evaporation of excess solvent, what type of soap is formed?
  ক

  Transparent soap

  খ

  Floating soap

  গ

  Shaving soap

  ঘ

  Laundry soap
• Which of the following causes soap to lather?
  ক

  Sodium carbonate

  খ

  Sodium rosinate

  গ

  Sodium silicate

  ঘ

  Borax
• Which of the following is not an antioxidant?
  ক

  BHT

  খ

  BHA

  গ

  Saccharin

  ঘ

  Sulphur dioxide
• Which of the following is not a preservative?
  ক

  Dulcin

  খ

  Potassium metasulphite

  গ

  Sodium benzoate

  ঘ

  Sorbic acid salts
• Alitame is ______ times sweeter than cane sugar.
  ক

  50

  খ

  100

  গ

  600

  ঘ

  2000
• Which of the following artificial sweeteners can be only used in soft drinks?
  ক

  Aspartame

  খ

  Alitame

  গ

  Sucralose

  ঘ

  Saccharin
• Which of the following chemicals are added to increase the shelf-life of foods?
  ক

  Food colour

  খ

  Sweeteners

  গ

  Artificial flavours

  ঘ

  Antioxidants
• Which of the following antifertility drugs consists of Estrogen derivatives?
  ক

  Norethindrone

  খ

  Novestrol

  গ

  Mifepristone

  ঘ

  Ormeloxifene
• Phenol acts as an antiseptic.
  ক

  True

  খ

  False
• Which of the following compounds is added in soaps as an antiseptic?
  ক

  Chloroxylenol

  খ

  Terpineol

  গ

  Bithionol

  ঘ

  Thymol
• Which of the following is used as an antiseptic for eyes?
  ক

  Iodoform

  খ

  Tincture of iodine

  গ

  Dettol

  ঘ

  Boric acid
• Which of the following are not supposed to treat humans directly?
  ক

  Disinfectants

  খ

  Antimalarials

  গ

  Antiseptics

  ঘ

  Antibiotics
• Which of the following is a narrow spectrum antibiotic?
  ক

  Amoxycillin

  খ

  Chloramphenicol

  গ

  Vancomycin

  ঘ

  Dysidazirine
• A certain antibiotic X is effective only against a few types of harmful microbes and cells. X is a _______ antibiotic.
  ক

  broad-spectrum

  খ

  narrow spectrum

  গ

  limited spectrum

  ঘ

  antibacterial
• Identify the incorrect statement with respect to antibiotics.
  ক

  Arsphenamine is toxic to humans

  খ

  Ampicillin is a broad-spectrum antibiotic

  গ

  Penicillin is bacteriostatic antibiotic

  ঘ

  Sulphanilamide has antibacterial properties
• Which of the following is a bactericidal antibiotic?
  ক

  Erythromycin

  খ

  Ofloxacin

  গ

  Tetracycline

  ঘ

  Chloramphenicol
• Which of the following is not an antimicrobial?
  ক

  Antiseptics

  খ

  Antibacterial drugs

  গ

  Anaesthetics

  ঘ

  Disinfectants
• Which of the following is not an opiate?
  ক

  Morphine

  খ

  Valium

  গ

  Thebaine

  ঘ

  Codeine
• Which of the following analgesics have antipyretic properties?
  ক

  Aspirin

  খ

  Heroin

  গ

  Codeine

  ঘ

  Marijuana
• Which of the following is not an analgesic?
  ক

  Aspirin

  খ

  Paracetamol

  গ

  Morphine

  ঘ

  Salvarsan
• Which of the following compounds does not inhibit the enzymes which catalyse the degradation of noradrenaline?
  ক

  Citalopram

  খ

  Terfenadine

  গ

  Iproniazid

  ঘ

  Phenelzine
• Which of the following tranquilizers cannot be part of sleeping pills?
  ক

  Chlordiazepoxide

  খ

  Amytal

  গ

  Seconal

  ঘ

  Nembutal
• Which of the following are neurologically inactive drugs?
  ক

  Analgesics

  খ

  Barbiturates

  গ

  Antipyretics

  ঘ

  Antihistamines
• Which of the following drugs help in subsiding the effects of allergic reaction?
  ক

  Benadryl

  খ

  Dimetapp

  গ

  Seldane

  ঘ

  Nardil
• Which of the following is the least suitable antacid?
  ক

  Magnesium hydroxide

  খ

  Aluminium hydroxide

  গ

  Sodium bicarbonate

  ঘ

  Dihydroxy aluminium amino acetate
• Which of the following compounds help in controlling the acid production in the stomach?
  ক

  Histamine

  খ

  Cimetidine

  গ

  Ranitidine

  ঘ

  Omeprazole
• Antagonists do not allow the transfer of message through receptors.
  ক

  True

  খ

  False