Sintered glass is a porous material used for ___________________?

Related Mcqs:

1. Sintered crucible is made up of________________?

   A. Plastic
   B. glass
   C. porcetain
   D. fiber

2. Special features of borate glass is that it is_________________?

   A. Heat resistant
   B. Low melting
   C. Used to prepare chemical garden
   D. Green in colour

3. Direct conversion of solids into vapours is called ___________________?

   A. Solvent extraction
   B. sublimation
   C. crystallization
   D. vaporization

4. Crystalline solids can be identified easily from their ___________________?

   A. Sharp melting point
   B. Definite geometry
   C. Transition temperature
   D. Colour

5. The correct electronic configuration of Cu is ___________________?

   A. [Ar]4s1
   B. [Ar]4s2
   C. [Ar]3d104s1
   D. [Ar]3d94s2

6. Ionization energy in a period generally ___________________?

   A. Increases
   B. Decreases
   C. No change
   D. Variable trend

7. In pig iron the concentration of C-atom is ___________________?

   A. 0.12 — 0.25%
   B. 2.5 — 4.5%
   C. 2.0 — 4.0%
   D. 0.25 — 2.5%

8. Which is sold as fertilizer ___________________?

   A. CaSiO3
   B. Na2SiO3
   C. Ca3(PO4)2
   D. MnSiO3

9. All the elements in group VIA are ___________________ in nature?

   A. hygroscopic
   B. metals
   C. polymeric
   D. all of above

10. Upto ___________________ C atoms alkanes are gases?

    A. 2
    B. 3
    C. 4
    D. 6