Class X

Red color of tomatoes is due to alkene named
  1. ethene
  2. propene
  3. lycopene
  4. butene
Reaction of halogens (Group-VII) and alkane (saturated hydrocarbons) in presence of sunlight is an example of
  1. carbation
  2. halogenation
  3. substitution
  4. hydrogenation
Ethylene glycol is used as an
  1. ripening agent
  2. fertilizer
  3. titrating agent
  4. anti-freeze
Alkanes that contain 5 to 17 atoms are in
  1. solid state
  2. liquid state
  3. gaseous state
  4. plasma state
Alkanes (saturated hydrocarbons) have density
  1. less than water
  2. equal to water
  3. more than water
  4. more than mercury
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