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  • Question

  • Fog is an example of colloidal system of


  • Options
  • A. solid dispersed in gas.
  • B. solid dispersed in liquid.
  • C. liquid dispersed in gas.
  • D. gas dispersed in liquid.

  • Correct Answer
  • liquid dispersed in gas. 

    • More questions

    • 1. Rain coats are made of

    • Options
    • A. neoprene
    • B. PVC
    • C. polyurathane
    • D. SBR
      • Discuss
    • 2. CaCO3 contains __________ percent of Ca by weight.

    • Options
    • A. 40
    • B. 48
    • C. 96
    • D. 12
      • Discuss
    • 3. Pick out the material having minimum Rittinger's number.

    • Options
    • A. Calcite
    • B. Pyrite
    • C. Quartz
    • D. Galena
      • Discuss
    • 4. Average molecular weight of air is about

    • Options
    • A. 21
    • B. 29
    • C. 23
    • D. 79
      • Discuss
    • 5. Both tritium and deuterium have the same number of

    • Options
    • A. neutrons
    • B. electrons
    • C. protons
    • D. nucleons
      • Discuss
    • 6. °API gravity of water at N.T.P. is about

    • Options
    • A. 0
    • B. 1
    • C. 10
    • D. 100
      • Discuss
    • 7. Carbon Content by weight in air dried wood may be about __________ percent.

    • Options
    • A. 10
    • B. 25
    • C. 50
    • D. 80
      • Discuss
    • 8. Energy produced in the nuclear fission is of the order of __________ MeV.

    • Options
    • A. 20
    • B. 200
    • C. 1000
    • D. 2000
      • Discuss
    • 9.  for a Tee (used as elbow, entering run) would be around

    • Options
    • A. 5
    • B. 60
    • C. 200
    • D. 350
      • Discuss
    • 10. 200 mesh seive size corresponds to __________ microns.

    • Options
    • A. 24
    • B. 74
    • C. 154
    • D. 200
      • Discuss

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