☰ Everyday Science (General Science) - MCQs

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Q85.

Sulpher Dioxide level in the atmosphere can be replaced by using-

  • A. Low-sulphuer fuels
  • B. More efficient car engines
  • C. Catalytic converters in industry
  • D. Static electricity to attract it in factory chimneys

    ✍ Discuss    
Q86.

Radioactive elements emit-

  • A. Ultraviolet waves
  • B. Infrared waves
  • C. Radio waves
  • D. a, B, y radiations

    ✍ Discuss    
Q87.

Benzene cannot undergo-

  • A. Oxidation
  • B. Substitution
  • C. Addition
  • D. Elimination

    ✍ Discuss    
Q88.

Iodine value is used to estimate-

  • A. Alkali content in oil
  • B. Unsaturation in oil
  • C. Hydroxyl groups in oil
  • D. Carboxylic groups in oil

    ✍ Discuss    
Q89.

The filter over which sewage is sprinkled is called as-

  • A. Contact bed
  • B. Percolating filter
  • C. Trickling filter
  • D. Intermittent filter

    ✍ Discuss    
Q90.

Sulphuric acid is-

  • A. Tribasic
  • B. Dilbasic
  • C. Monobasic
  • D. Tetrabasic

    ✍ Discuss