Class X

Commercial sources of alkanes include
  1. coal
  2. natural gas
  3. petroleum
  4. all of above
First antiseptic used in operation theatre was
  1. alcohol
  2. alkane
  3. acid
  4. phenol
Rate of reaction of organic compounds is slow due to
  1. ionic bonding in them
  2. amphoteric nature
  3. covalent bonding
  4. coordinate covalent bonding
Almost 95% of compounds are of carbon because it can form
  1. single bonds
  2. double bonds
  3. triple bonds
  4. multiple bonds
Hydrocarbon which contains one or more carbon-carbon triple bond is
  1. alkane
  2. alkene
  3. alkyne
  4. aldehyde
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