☰ Everyday Science (General Science) - MCQs

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Q61.

Detergents clean Surfaces on the principle of-

  • A. Elasticity
  • B. Viscosity
  • C. Surface tension
  • D. Floatation
    ✍ Discuss    
Q62.

When A vibrating turning fork is placed on a table, a loud sound is heard. This is due to-

  • A. Refraction
  • B. Forced vibratings
  • C. Reflections
  • D. Damped vibrations
    ✍ Discuss    
Q63.

Aspirin is chemically known as-

  • A. Hydroxy salicylate
  • B. Alkyl salicyclic acid
  • C. Methyl salicylate
  • D. Acetyl salicylic acid
    ✍ Discuss    
Q64.

The chief constituent of vinegar is-

  • A. Acetic acid
  • B. Formic acid
  • C. Oxalic acid
  • D. Salicylic acid
    ✍ Discuss    
Q65.

Supersonic jet causes pollution by thinning of-

  • A. CO2 layer
  • B. SO2 layer
  • C. O2 layer
  • D. O3 layer
    ✍ Discuss    
Q66.

Stag is a name given for-

  • A. Molten Alumina
  • B. Molten iron
  • C. Molten sant
  • D. Molten calcium silicate
    ✍ Discuss    
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