☰ Everyday Science (General Science) - MCQs

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Q79.

Which of the following processes is used for the production of Biodiesel?

  • A. Translation
  • B. Transcription
  • C. Transamination
  • D. Transesterification
    ✍ Discuss    
Q80.

If lime water is kept in the air, it turns milky due to presence of-

  • A. Nitrogen
  • B. Oxygen
  • C. Sulphur dioxide
  • D. Carbon dioxide
    ✍ Discuss    
Q81.

The function of sedimentation tank in Sewage treatment is to

  • A. Aerate the sewage
  • B. Remove water content
  • C. Disinfect the sewage
  • D. Remove suspended solids
    ✍ Discuss    
Q82.

The manufacture of iron from iron ore involves the process of-

  • A. Oxidation
  • B. Reduction
  • C. Electrolysis
  • D. Fractional distillation
    ✍ Discuss    
Q83.

Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful-

  • A. CO2 in the air
  • B. So2 in the air
  • C. Solar infrared radiation
  • D. Solar ultraviolet radiation
    ✍ Discuss    
Q84.

The enormous amount of energy released in an explosion of an atom bomb is due to the

  • A. Conversion of neutrons into protons
  • B. Conversion of mechanical energy into nuclear energy
  • C. Conversion of mass into energy
  • D. Conversion of chemical energy into heat energy
    ✍ Discuss    
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