Class X

First antiseptic used in operation theatre was
  1. alcohol
  2. alkane
  3. acid
  4. phenol
Organic compound used for artificial ripening of fruits is
  1. methane
  2. ethane
  3. propane
  4. acetylene
Commercial sources of alkanes include
  1. coal
  2. natural gas
  3. petroleum
  4. all of above
Organic compounds are only soluble in
  1. non-polar solvents
  2. polar solvents
  3. metallic solvents
  4. non-metallic solvents
In destructive distillation, coal is converted to
  1. coal gas, coal tar and coke
  2. petrol and methane
  3. natural gas and coke
  4. coal tar and petrol
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