9th Chemistry Unit 14 Sulphur And Its Compound MCQs Sindh Board

 9th Grade Chemistry Chapter 14 Sulphur And Its Compound Sindh Board MCQs Notes Online Chapter Wise Question Answers. Sindh Boards Chemistry Subject Notes For Exams Preparations Karachi, Jamshoro, Sindh Boards. Chemistry class Ninth sindh board notes Unit 14 Sulphur & Its Compound Most Repeated Multiple Choice Questions With Answers. Chemistry notes for class IX sindh board karachi Boards.

9th MCQs
9th Chemistry MCQs

Q.1: Sulphur is the second member of group.?
  1. IVA
  2. VIA
  3. VA
  4. VIIA
B
Q.2: What is the percentage of sulphur in earths crust?
  1. 1.1%
  2. 0.1%
  3. 1%
  4. 0.01%
B
Q.3: The sulphur obtained by Frasch process is?
  1. 99.5%
  2. 98.5%
  3. 97.5%
  4. 98%
A
Q.4: Which are of the following is non crystalline allotropic forms of sulphur?
  1. Monoclinic Sulphur
  2. Rhombic Sulpur
  3. Plastic Sulphur
  4. None of these
C
Q.5: Density of rhombic sulphur at 20 oC is?
  1. 3.80g/cm3
  2. 2.99g/cm3
  3. 2.08 g\cm3
  4. 1.08 g/cm3
C
Q.6: Shape of the monoclinic sulphur is?
  1. Cubic
  2. Octahedral
  3. Needle shaped
  4. Hedagonal
C
Q.7: Transition temperature for rhombic and monoclinic sulphur is?
  1. 97 oC
  2. 95 oC
  3. 96 oC
  4. 98 oC
C
Q.8: Boiling Point of a sulphur is?
  1. 444 oC
  2. 440 oC
  3. 434 oC
  4. 333 oC
A
Q.9: Sulpur burns with a bright blue flame to form?
  1. SO3
  2. H2S
  3. SO2
  4. None of these
C
Q.10: Purity of sulphuric acid obtained by the contact process is?
  1. 99.5%
  2. 98.99%
  3. 100%
  4. 99%
C
Q.11: The catalyst used in the contact process is?
  1. P3O5
  2. V3O5
  3. V2O5
  4. P2O5
C
Q.12: The formula of oleum is?
  1. H7O2S2
  2. H2S2O7
  3. H2S2O5
  4. HOS7O2
B
Q.13: Oil of vitriol is?
  1. Hydrochloric acid
  2. Pure conc. Sulphuric acid
  3. sulphruos acid
  4. Nitric acid
B
Q.14: Specific gravity of conc. Sulphuric acid is?
  1. 1.84
  2. 1.75
  3. 1.48
  4. 1.55
A
Q.15: A process used in the manufacture of sulphuric acid is?
  1. Contact Process
  2. Frasch Process
  3. Froth Floatation process
  4. Haber Harch Process
A
Q.16: Dilute sulphuric acid reacts with less electropositive metals to liberate?
  1. H2 gas
  2. SO3 gas
  3. SO2 gas
  4. H2S gas
A
Q.17: Hot conc. H2SO4 oxidizes some metals to their sulphates liberating.?
  1. H2S gas
  2. H2 gas
  3. SO3 gas
  4. SO2 gas
D
Q.18: Sulphuric acid is strong?
  1. Tribasic
  2. Diacid
  3. Monobasic
  4. Diabasic
D
Q.19: Sulphuric acid reacts with sugar to form?
  1. CH2 CH2 H2O
  2. CO2 H2O
  3. CO H2O
  4. C H2O
D
Q.20: Blue CuSO4.5H2O changes into anhydrous white CuSO4 when reacts with?
  1. Cone. HCl
  2. Conc. H2CO3
  3. Conc. HNO3
  4. Cone. H2SO4
D
Q.21: Which one of the following is powerful drying or dehydrating agent.?
  1. Oxalic acid
  2. HNO3
  3. HCl
  4. H2SO4
D
Q.22: A substance that changes the speed of a chemical reaction without affecting the yield is?
  1. Catalyst
  2. Electrolyte
  3. Reducing agent
  4. Oxidizing agent
A
Q.23: Which statement is not true for sulphuric acid?
  1. Food preservation
  2. Paints and pigment manufacturing
  3. Petroleum refining
  4. Dehydrating agent
A
Q.24: Sulphuric acid reacts with metal oxide like MgO to form water and?
  1. Magnesium Sulphide
  2. Magnesium Sulphate
  3. Magnesium Hydroid
  4. Magnesium Hydrogen
B
Q.25: Which statement is not true for sulphur?
  1. Used for disinfecting houses
  2. Used for bleaching wood pulp
  3. Used in refining the petroleum
  4. Use in the manufacture of H2SO4
C
Previous Post Next Post