Class X

Saturated hydrocarbons (alkanes) have
  1. carbon-carbon single bond
  2. carbon-carbon double bond
  3. carbon-carbon triple bond
  4. carbon-carbon quad bond
Organic compounds are
  1. non-volatile
  2. volatile
  3. have high melting point
  4. have high boiling point
Commercial sources of alkanes include
  1. coal
  2. natural gas
  3. petroleum
  4. all of above
Nature of organic compounds is
  1. ionic
  2. amphoteric
  3. covalent
  4. coordinate covalent
Almost 95% of compounds are of carbon because it can form
  1. single bonds
  2. double bonds
  3. triple bonds
  4. multiple bonds
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