Everyday Science MCQs

The density of water is __________?

 

  1. 1 g/cm3
  2. 1.5 g/cm3
  3. 2 g/cm3
  4. none of these

Radioactivity was discovered by __________?

  1. Kelvin
  2. Thomson
  3. Rutherford
  4. Bacquerel

A device which converts chemical energy into electrical energy is called __________?

  1. motor
  2. generator
  3. moving-coil meter
  4. battery

The Sun is a __________?

  1. Planet
  2. Asteroid
  3. Meteor
  4. Star

The gas used in a refrigerator to cool water is___________?

  1. Nitrogen
  2. Carbon dioxide
  3. Methane
  4. Ammonia

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