Class X

In alkanes (saturated hydrocarbons) each carbon atom forms
  1. 2 bonds
  2. 4 bonds
  3. 6 bonds
  4. 8 bonds
When two carbon atoms share two electron pairs then they form
  1. single bond
  2. double bond
  3. triple bond
  4. coordinate covalent bond
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
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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