Chemistry In Everyday Life Test

Chemistry In Everyday Life

This is chemistry in everyday life Test-05 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The difficulty in using Alitame as artificial sweetener is
  • A
    It is not stable at high temperature
  • B
    It is a high potency sweetener
    Correct
  • C
    It adds calories
  • D
    It is metabolized in the body
2
Butylated – Hydroxy Toluene is added in packed foods to preserve fats because
  • A
    It oxidizes itself and prevents fats from getting oxidised
    Correct
  • B
    It allows fats to get oxidized without degrading the food
  • C
    It cuts off the stale smell of the oxidized fat
  • D
    It react with the fats and doesn’t allow them to get oxidized
3
$SO_2$ reduces the discoloration of vegetables because
  • A
    They help in retaining the water content in vegetable
  • B
    They kill the microbes with affecting the vegetable
  • C
    They act as antioxidants
    Correct
  • D
    They react with the pigments of the vegetable
4
At Critical Micelle concentration, the hydrocarbon part of a soap molecule attaches itself to
  • A
    Water
  • B
    Remains free
  • C
    Another soap molecule
  • D
    Dirt
    Correct
5
Cimetidine and Ranitidine are better antacids mainly because
  • A
    They keep the pH of the stomach neutral
  • B
    They remove both the symptoms and cause of acidity
    Correct
  • C
    They are easily synthesized
  • D
    They restrict their action only to neutralizing the excess acid
6
Antacids and Anti – allergic drugs do not interfere with each other because
  • A
    Both are not antihistamines and work on the same receptors
  • B
    Both are antihistamines but work on different receptors
    Correct
  • C
    Both react with the same receptor differently
  • D
    Both are not antihistamines
7
Tranquilisers act on
  • A
    Respiratory system
  • B
    Circulatory system
  • C
    Central Nervous system
    Correct
  • D
    Excretory system
8
Chloramphenicol is used to treat typhoid, dysentery, acute fever, meningitis etc., because it is
  • A
    Bacteriostatic and broad spectrum antibiotic
    Correct
  • B
    Bactericidal and broad spectrum antibiotic
  • C
    Bacteriostatic and narrow spectrum antibiotic
  • D
    Bactericidal and narrow spectrum antibiotic
9
The neurotransmitter that plays a role in mood swings is
  • A
    Glycine
  • B
    Dopamine
  • C
    Noradrenaline
    Correct
  • D
    Serotonin
10
Lather formed in shaving soaps is due to
  • A
    Sodium silicate
  • B
    Borax
  • C
    Sodium rosinate
    Correct
  • D
    Glycerol
11
The drug which can act both as an analgesic and antipyretic is
  • A
    Zantac
  • B
    Aspirin
    Correct
  • C
    Equanil
  • D
    Valium
12
Hormones relating to birth control are
  • A
    Thyrotropin and insulin
  • B
    Renin and Secretin
  • C
    Amylin and Gastrin
  • D
    Estrogen and Progesterone
    Correct
13
A person suffering from depression is administered
  • A
    Phenacetin
  • B
    Iproniazid
    Correct
  • C
    Ibuprofen
  • D
    Paracetamol
14
Scum formation can be prevented by
  • A
    using detergents
  • B
    All of these
    Correct
  • C
    using water softeners
  • D
    using soft water
15
Effluents of washing may cause pollution, if
  • A
    they contain dirt
  • B
    they contain highly branched detergent molecules
    Correct
  • C
    they contain soap water
  • D
    they contain disinfectants