Calcarious material includes_________________?

Related Mcqs:

1. Which one of the following set of raw material is most suitable for manufacture of urea ?

   A. CH4 N2 and CO2
   B. H2 N2 and CO
   C. H2 CO2 and H2O
   D. H2O N2 and H2

2. The composition of mixture of clay and lime stone in the raw for cement material is __________________?

   A. 75% lime stone and 25% clay
   B. 25% lime stone and 75% clay
   C. 15% lime stone and 55% clay
   D. 55% lime stone and 15% clay

3. Argillaceous material does not include________________?

   A. vlay
   B. marine shells
   C. slate
   D. blast furnace slag

4. Which one of the following raw material is not present in the cement ?

   A. lime stone
   B. gypsum
   C. KNO3
   D. iron oxide

5. Which of the following properties prove that cathode rays are material in nature_________________?

   A. they cast shadow
   B. they possess momentum
   C. they are negatively charged
   D. all of the above

6. Sintered glass is a porous material used for ___________________?

   A. absorption
   B. adsorption
   C. filtration
   D. sublimation

7. Which of the following processes is used for the synthesis of cement ?

   A. dry process
   B. wet process
   C. both
   D. none

8. Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?

   A. Lime (CaO)
   B. Silica (SiO2)
   C. Alumina (Al2O3)
   D. Magnesia (MgO)

9. Which of the following fertilizers is not useful for paddy rice ?

   A. urea
   B. DAP
   C. Ammonium sulphate
   D. Ammonium nitrate

10. Which one of the following is an inorganic fertilizer ?

    A. manure
    B. urea
    C. ammonium nitrate
    D. All