Get App on

Play Store

Chemistry Mcqs

Tetraethyl lead is used as______?

  • (A)   Pain Killer
  • (B)   Fire Extinguisher
  • (C)   Mosquito Repellent
  • (D)   Petrol Additive
Submitted By :Ali Uppal


Electric bulb filament is made of__________?

  • (A)  Copper
  • (B)   Aluminum
  • (C)   Lead
  • (D)   Tungsten
Submitted By :Ali Uppal


Oxidation state +1 for phosphorous is found in___________?

  • (A)  H3PO3
  • (B)  H3PO4
  • (C)  H3PO2
  • (D)  H2P2O7
Submitted By :Ali Uppal


SO2 reacts with Cl in sunlight to form__________?

  • (A)  Sulphur dioxide
  • (B)  Sulphuryl chloride
  • (C)  Suphanyl chloride
  • (D)  All of the above
Submitted By :Ali Uppal


Argon gas was discovered by_______?

  • (A)  Rayleigh
  • (B)  Ramsay
  • (C)  Lockerey
  • (D)  Dalton
Submitted By :Ali Uppal


The number of lone pairs in XeOF4 is_________?

  • (A)  O
  • (B)  1
  • (C)  2
  • (D)  3
Submitted By :Ali Uppal


The O-O linkage is present in__________?

  • (A)  H2S2O3
  • (B)  H2SO8
  • (C)  H2S4O6
  • (D)  H2 S2 O6
Submitted By :Ali Uppal


Poisonous gas present in the exhaust fumes of a jet plane is__________?

  • (A)  Flurocarbon
  • (B)  Carbon monoxide
  • (C)  Methane
  • (D)  C2H2
Submitted By :Ali Uppal


The formula C6H5-CO-CH3 represents_______ ?

  • (A)  Acetone
  • (B)   Acetic acid
  • (C)   Acetophenone
  • (D)   Phenyl acetate
Submitted By :Ali Uppal


What is the density ofargon gas at a temperature of 30°C and a pressure of 1.05 atm?

  • (A)  1.65 g/L
  • (B)  1.67 g/L
  • (C)  1.68 g/L
  • (D)  None of the above
Submitted By :Ali Uppal