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Engineering Chemistry

Engineering Chemistry

10 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

 HCl is present in............?

  1. Sweet
  2.  Salava
  3.  Stomach
  4.  tears
Question 2 Multiple Choice (Single Answer)

Which of the following chemical substance is less sweetest artificial sweetener?

  1. Sucralose
  2.  Saccharin
  3.  Alitame
  4. Aspartame
Question 3 Multiple Choice (Single Answer)

What is the Systematic (IUPAC) name of chloroxylenol ?

  1. 2,2'-sulfanediylbis(4,6-dichlorophenol)
  2. 4-chloro-3,5-dimethylphenol
  3.  2-(4-Methyl- 1-cyclohex- 3-enyl) propan- 2-ol
  4.  none of these.
Question 4 Multiple Choice (Single Answer)

Dettol is one of the most antiseptic, which contains...............................................?

  1. Chloroxylenol
  2.  Terpineol
  3. chloroxylenol and terpineol both.
  4.  none of these.
Question 5 Multiple Choice (Single Answer)

Which of the following is used as food preservative?

  1. Sodium benzoate
  2.  Salt of propanoic acid
  3. salt of  sorbic acid
  4. All of the above.
Question 6 Multiple Choice (Single Answer)

 The formula of Cholesterol is.....................?

  1. C27H45OH
  2.  C28H43OH
  3.  C17H29COOH
  4.  none of these
Question 7 Multiple Choice (Single Answer)

 Anionic detergents are used in...............................?

  1.  hair conditioners
  2.  dish-washing
  3.  Tooth pastes
  4.  none of these
Question 8 Multiple Choice (Single Answer)

 Which of the following is not used as disinfectant?

  1.  Formalin
  2.  Phenol in lower concentration
  3.  Aqueous solution of chlorine in low concentration
  4.  none of these
Question 9 Multiple Choice (Single Answer)

Antifertility drugs are the oral pills used for the birth control. These pills are mixture of........................... ?

  1. Chloroxylenol and terpineol.
  2.  formaldehyde and phenol in the solvent water
  3.  Synthetic estrogen and progesterone derivatives.
  4.  none of these.
Question 10 Multiple Choice (Single Answer)

Which of the following statement is true?

  1. Detergents can not form lather with ice cold water
  2.  sodium salt of fatty acids are soft to skin than Potassium salts
  3. Cetyl trimethyl ammonium bromide (CTAB) is used in hair conditioners
  4.  All statements are wrong
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