All of the following substances are crystalline except_____________?

Related Mcqs:

1. Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

   A. ionic substances
   B. metallic substances
   C. molecular solids
   D. covalent network solids

   Submitted by: Mansoor Ul Haque

2. Which of the following will not form crystalline structure with opporitely charged ions_________________?

   A. H+
   B. H-
   C. Mg2+
   D. Ca2+

3. which of the following is a non-crystalline solid pair?

   A. diamond, wood
   B. glass, table salt
   C. wood, glass
   D. sucrose. glass

   Submitted by: Akhtar Saleem Sandhu

4. What is the number of known crystalline phases of water ________?

   A. 4
   B. 8
   C. 17
   D. 18

   Submitted by: Rashid Mehmood

5. The phenomenon in which a compound exists in two or more crystalline forms is called ________________?

   A. Isomorphism
   B. Polymorphism
   C. Anisotropy
   D. Allotropy

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

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

7. Borax is a white crystalline solid and it is_________________?

   A. More soluble in cold water
   B. More soluble in hot water
   C. Insoluble in water
   D. Soluble only in organic solvents

8. What is the color of copper sulfate crystalline?

   A. White
   B. Brown
   C. Blue
   D. Green

   Submitted by: Muhammad Kamal

9. Which of the following substances does not give iodoform test ?

   A. acetaldehyde
   B. ethyl alcohol
   C. methyl alcohol
   D. acetone

10. Which one of the following substances conducts electricity by the movement of ions ?

    A. Graphite
    B. Copper
    C. Molten sodium chloride
    D. Mercury