Ammonia was obtained from urine by?

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• Detergents are better than soap because?

  (A) They are less affected by hard water
  (B) They wash clothes better
  (C) They are less soapy
  (D) None of the above

  ►Correct Option
  
  Correct Option is: A
  

  Published on 18-04-2022

• Chemically soap is?

  (A) Salt
  (B) Acid
  (C) Base
  (D) Hydrocarbon

  ►Correct Option
  
  Correct Option is: A
  

  Published on 18-04-2022

• Heavy water is known as heavy because?

  (A) Is an oxide deuterium
  (B) Has a heavy and bad taste
  (C) Has a heavier isotope of hydrogen
  (D) None of the above

  ►Correct Option
  
  Correct Option is: A
  

  Published on 18-04-2022

• Digestion of fat in intestine is aided by?

  (A) Oxidation
  (B) Hydrolysis
  (C) Emulsification
  (D) De-emulsification

  ►Correct Option
  
  Correct Option is: C
  

  Published on 18-04-2022

• Smoking is an example of?

  (A) Gas dispersed in solid
  (B) Solid dispersed in gas
  (C) Solid dispersed in solid
  (D) Gas dispersed in liquid

  ►Correct Option
  
  Correct Option is: B
  

  Published on 18-04-2022

• If we remove one hydrogen atom from an alkane we obtain?

  (A) Formyl group
  (B) Acetyl group
  (C) Ketyl group
  (D) Alkyl group

  ►Correct Option
  
  Correct Option is: D
  

  Published on 14-01-2022

• When ethene is passed through a dilute solution of KMnO₄ the pink colour changes to?

  (A) Green
  (B) Colourless
  (C) Blue
  (D) Red

  ►Correct Option
  
  Correct Option is: B
  

  Published on 14-01-2022

• Which of the following hydrocarbons is liquid at room temperature?

  (A) Hexane
  (B) Ethane
  (C) Butane
  (D) Ethene

  ►Correct Option
  
  Correct Option is: A
  

  Published on 14-01-2022