Basicity of orthophosphoric acid is________?

Related Mcqs:

1. Phosphoric acid is a weak acid and its basicity is____________________?

   A. 1
   B. 3
   C. zero
   D. 2

2. Acid present in acid rain may be_________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none of the above

3. Acid present in acid rain may be__________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none

4. The common thing in phthalic acid and oxalic acid is that both are_________________?

   A. Aromatic
   B. Dicarboxylic
   C. Hydrocarbons
   D. Strong acids

5. Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?

   A. Phosphine
   B. Phosphorus
   C. Water
   D. Phosphorus pentoxide

6. When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?

   A. an acid
   B. a dehydrating agent
   C. an oxidizing agent
   D. as sulphonating agent

7. A process used for the Concentration of Ore is________?

   A. Roasting
   B. Forth flotation
   C. Electrolysis
   D. Distillation

   Submitted by: Muhammad Ali Kunbhar

8. Percentage of lead in lead pencil is________?

   A. Zero
   B. 20
   C. 80
   D. 70

   Submitted by: Muhammad Ali Kunbhar

9. Water molecule is________?

   A. V-shaped
   B. Angular
   C. Pyramidal
   D. Triangular planer

   Submitted by: Muhammad Ali Kunbhar

10. Formula of Galena is________?

    A. PbS
    B. HgS
    C. AS2S3
    D. FeS2

    Submitted by: Muhammad Ali Kunbhar