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Chemistry Mcqs

Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?

  • (A)  aluminium can be recycled
  • (B)  aluminium has very low density
  • (C)  aluminium is the most abundant metal in the earth crust
  • (D)  aluminium is resistant to corrosion by organic acids.
Submitted By :Ali Uppal


In solids the temperature is the measure of__________________?

  • (A)  Average kinetic energy of molecules
  • (B)  Vibrational kinetic energy
  • (C)  Translational kinetic energy
  • (D)  None of the above
Submitted By :Ali Uppal


All the transition elements show_________________?

  • (A)  Similar physical properties
  • (B)  Similar chemical properties
  • (C)  Both A and b
  • (D)  None
Submitted By :Ali Uppal


Purines and pyrimidines are_________________?

  • (A)  Enzymes
  • (B)  Nitrogenous bases
  • (C)  Carbohydrates
  • (D)  Lipids
Submitted By :Ali Uppal


Which of the following element doesnot show allotropy_________________?

  • (A)  Carbon
  • (B)  Arsenic
  • (C)  Nitrogen
  • (D)  Sulphur
Submitted By :Ali Uppal


Benzene is a good solvent for__________________?

  • (A)  fats
  • (B)  resins
  • (C)  iodine
  • (D)  all the above
Submitted By :Ali Uppal


Submitted By :Ali Uppal


When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

  • (A)  phenol is unsaturated
  • (B)  2-bromophenol is insoluble in water
  • (C)  a hydroxy group makes the benzene ring more susceptible to electrophilic attack
  • (D)  acid-base reaction
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Which of the following elements react with steam to produce H2 gas?

  • (A)  Pd
  • (B)  Ni
  • (C)  Sn
  • (D)  All of the above
Submitted By :Ali Uppal