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Chemistry Mcqs

Submitted By :Ali Uppal

The structure of H2O2 is_______?

  • (A)  Planar
  • (B)  Non- polar
  • (C)  Spherical
  • (D)  Linear
Submitted By :Ali Uppal

The volume strength of 1.5 N H2O2 solution is_______?

  • (A)  4.8
  • (B)  5.2
  • (C)  8.8
  • (D)  8.4
Submitted By :Ali Uppal

A 10 volume solution of H2O2 means_______?

  • (A)  10 grams of H2O2 solution liberate 10 mL of O2 at STO
  • (B)  10 gram equivalents of H2O2 liberates 10 mL of O2 at STP
  • (C)  10 litres of H2O2 liberates 19 mL of O2 at STP
  • (D)  1mL of solution of H2O2 liberates 10 mL of O2 at STP
Submitted By :Ali Uppal

Electronic Configuration of Calcium (Ca) atom may be written as________?

  • (A)  Ne, 4p2
  • (B)  Ar, 4s2
  • (C)  Ne, 4s2
  • (D)  Kr,4p2
Submitted By :Ali Uppal

Ce58 is a member of__________?

  • (A)  S-block
  • (B)  P-block
  • (C)  d-block
  • (D)  f-block
Submitted By :Ali Uppal

Basicity of orthophosphoric acid is________?

  • (A)  2
  • (B)  3
  • (C)  4
  • (D)  5
Submitted By :Ali Uppal

Gypsum is______?

  • (A)  CaSO4
  • (B)  CaSO4.1/2H2O
  • (C)  CaSO4,2H2O
  • (D)  CaSO4.3H2O
Submitted By :Ali Uppal

In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?

  • (A)  CaO+ SiO2——> CaSiO3
  • (B)  2FeS+3O2——–> 2Fe+ SO2
  • (C)  FeSiO3———> FeSiO3
  • (D)  Fe2O3+ 3CO——–> 2Fe+ 3CO2
Submitted By :Ali Uppal

Parke’s process is used in the extraction of________?

  • (A)  Iron
  • (B)  Sodium
  • (C)  Silver
  • (D)  Zinc
Submitted By :Ali Uppal

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