Online Test

  1. Gober gas (Biogas) mainly contains
    methane and ethane
    methane and butane
    propane and butane
    methane, ethane, propane and propylene
  2. Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilises the following process
    Hydrolysis
    Oxidation
    Hydrogenation
    Ozonoloysis
  3. Which colour is the complementary colour of yellow?
    Blue
    Green
    Orange
    Red
  4. During washing of cloths, we use indigo due to its
    better cleaning action.
    properpigmental composition
    high glorious nature
    very low cost
  5. Of the following Indian satellites, which one is intended for long distance telecommunication and for transmitting TV programmes?
    INSAT-A
    Aryabhata
    Bhaskara
    Rohini