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Chemistry

A quiz covering various branches of chemistry including pharmaceutical chemistry, polymers, nuclear chemistry, and materials science.

6 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is not correctly matched?

  1. Chloroquine: Antimalarial drug
  2. Luminal: Hypnotic drug
  3. Aspirin: Phenylalanyl aspartic acid
  4. Fluconazole: Antifungal drug
  5. Ibuprofen: 2-(4-isobutylphenyl) propionic acid
Question 2 Multiple Choice (Single Answer)

Which of the following statements is correct?

  1. Natural rubber has trans configuration at each double bond.
  2. Gutta-percha has cis configuration of each double bond.
  3. Bakelite is a thermosetting polymer of phenol and formaldehyde.
  4. Vulcanisation is a process of making rubber soft and elastic.
  5. Bakelite is a thermosetting polymer.
Question 3 Multiple Choice (Single Answer)

Which of the following pairs is correctly matched?

  1. Alitame: Enzyme
  2. Chloramphenicol: Natural antimicrobial agent
  3. Thyroxine: Iodine containing hormone
  4. Omeprazole: Food preservative
  5. Ranitidine: Antifertility drug
Question 4 Multiple Choice (Single Answer)

Technicians working with radioactive materials in hospitals wear special badges. These badges record how much radiation they have received during working hours. The radiation is detected in the badge by ____.

  1. photographic film
  2. the Geiger Muller tube
  3. positive displacement meter
  4. peak flow meter
  5. orifice plate
Question 5 Multiple Choice (Single Answer)

Why is it suitable to use a beta radiation source, rather than an alpha or gamma source, to monitor the thickness of the sheet?

  1. Gamma radiation affects the properties of the sheet.
  2. The gamma signal changes in a regular way with thickness changes.
  3. The beta signal changes in a regular way with thickness changes.
  4. Too little alpha radiation is absorbed on the surface to check the thickness.
  5. One can easily protect workers from the effects of beta radiation.
Question 6 Multiple Choice (Single Answer)

Lurex is a synthetic fibre onto which an aluminium layer has been vaporised. It is associated with _______.

  1. metallic fibers
  2. fiberglass
  3. acrylonitrile
  4. modal
  5. vinyon
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