Chemistry for Engineering: Nuclear, Organic & Applications

A comprehensive test covering nuclear chemistry (radioactive isotopes, reactor operations), organic chemistry (fatty acids, disinfectants), and engineering applications. Ideal for engineering aspirants seeking to master advanced chemical concepts.

25 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

The osmotic pressure of 5% sol of sucrose (M.M = 342) at 150 0 C, is

  1. 5.07 atm
  2. 5.007 atm
  3. 50.07 atm
  4. 500.07 atm
Question 2 Multiple Choice (Single Answer)

In endosmosis, the volume of solution

  1. decreases
  2. increases
  3. remains same
  4. first increases then decreases
Question 3 Multiple Choice (Single Answer)

The reaction 2A $\to$ 2B + C obeys second order rate law. When the partial pressure of A is doubled, the rate would

  1. remain unchanged
  2. get doubled
  3. become four times the original
  4. reduce to half
Question 4 Multiple Choice (Single Answer)

The diazonium salt decomposes as, C6H5N2+Cl- $\to$ C6H5Cl + N2. At 00 C, the evolution of nitrogen becomes two times faster when the initial concentration of the salt doubles. Therefore, it is a

  1. first order reaction
  2. second order reaction
  3. third order reaction
  4. zero order reaction
Question 5 Multiple Choice (Single Answer)

Which radioactive isotope being potentially used in gamma radiography?

  1. Zinc-65
  2. Ytterbium-169
  3. Thallium-204
  4. Iridium-192
Question 6 Multiple Choice (Single Answer)

Which radioactive isotope is being potentially used in colon transit studies?

  1. Thallium-201
  2. Rubidium-82
  3. Indium-111
  4. Gallium-67
Question 7 Multiple Choice (Single Answer)

Which among the following acids is not used in the production of cosmetics?

  1. Arachidic acid
  2. Stearic acid
  3. Palmitic acid
  4. Myristic acid
Question 8 Multiple Choice (Single Answer)

Which among the following acids is found in the milk of mammals?

  1. Tridecylic acid
  2. Lauric acid
  3. Caprylic acid
  4. Valeric acid
Question 9 Multiple Choice (Single Answer)

The carboxylic acid present in vomit is

  1. butyric acid
  2. propanoic acid
  3. acetic acid
  4. formic acid
Question 10 Multiple Choice (Single Answer)

Which of the following are the nonclassic eicosanoids?

  1. Isofurans
  2. Neurofurans
  3. Isoprostanes
  4. Prostaglandin
Question 11 Multiple Choice (Single Answer)

The acid acting as a precursor to bio-diesel is

  1. oleic acid
  2. elaidic acid
  3. erucic acid
  4. nervonic acid
Question 12 Multiple Choice (Single Answer)

The acid discharged by cockroaches after death to prevent other cockroaches from entering that area is

  1. mead acid
  2. linoleic acid
  3. $\alpha$-linolenic acid
  4. arachidonic acid
Question 13 Multiple Choice (Single Answer)

Which of the following acids is the main additive in cigarettes?

  1. Caproic acid
  2. Nonanoic acid
  3. Heptanoic acid
  4. Decanoic acid
Question 14 Multiple Choice (Single Answer)

Which among the following fatty acids does not occur in any natural animal or vegetable fat?

  1. Pentadecanoic acid
  2. Margaric acid
  3. Nonadecyclic acid
  4. Behenic acid
Question 15 Multiple Choice (Single Answer)

Which acid is present in Chinese wolfberries?

  1. Lignoceric acid
  2. Cerotic acid
  3. Montanic acid
  4. Psyllic acid
Question 16 Multiple Choice (Single Answer)

The fats having one double bond in the fatty acid chain are termed as

  1. monounsaturated fats
  2. saturated fat
  3. trans-fat
  4. unsaturated fat
Question 17 Multiple Choice (Single Answer)

Which of the following compounds is the main constituent of Dettol?

  1. Chloroxylenol
  2. Hexachlorophene
  3. Thymol
  4. 2,4-dichlorobenzyl alcohol
Question 18 Multiple Choice (Single Answer)

Which among the following is not used as a disinfectant?

  1. Dequadin
  2. Nitrofurazone
  3. Hexachlorophene
  4. Cetrimonium
Question 19 Multiple Choice (Single Answer)

The aquariums are disinfected by

  1. potassium peroxymonosulphate
  2. potassium permanganate
  3. peracetic acid
  4. ozone
Question 20 Multiple Choice (Single Answer)

Which among the following is used as a medical sterilant in hospitals?

  1. Sodium hypochlorite
  2. Chloramine
  3. Hydrogen peroxide
  4. Hydrogen peroxide vapour
Question 21 Multiple Choice (Single Answer)

The ratio of the actual output and the potential output of a power plant is known as

  1. availability factor
  2. load factor
  3. spark spread
  4. dark spread
Question 22 Multiple Choice (Single Answer)

Which of the following reactors does not load follow?

  1. Gas turbine power plants
  2. Hydroelectric power plants
  3. Boiling water reactors
  4. Pressurized water reactors
Question 23 Multiple Choice (Single Answer)

A neutron-absorbing material is used for making

  1. control rods
  2. moderator
  3. containment
  4. pressure vessel
Question 24 Multiple Choice (Single Answer)

The reactor producing the electricity by slowing down an ion beam of fission is

  1. supercritical water reactor
  2. molten salt reactor
  3. sodium-cooled fast reactor
  4. fission fragment reactor
Question 25 Multiple Choice (Single Answer)

Which among the following atoms is formed by the beta decay of carbon-14 ?

  1. Oxygen-18
  2. Beryllium-10
  3. Boron-14
  4. Nitrogen-14