Which of the following is solid?

Related Mcqs:

1. As a substance moves from a solid to a liquid all of the following changes occur except ?

   A. molecules become more disordered.
   B. K.E of the molecules decreases
   C. intermolecular forces become weaker.
   D. molecules move more frequently.

2. 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

3. 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

4. Which of the solid does not contain covalent bond__________________?

   A. copper
   B. ice
   C. diamond
   D. graphite

5. A solid may be made up of_________________?

   A. Atoms
   B. Ions
   C. Molecules
   D. A, B, and C

6. Separation of a solid from its hot saturated solution by cooling is called__________________?

   A. vapourization
   B. solvent extraction
   C. filtration
   D. crystallization

7. The percentage of suspended solid waste in raw water is removed by coagulation is__________________?

   A. 60
   B. 70
   C. 80
   D. 90

8. Iodine is solid due to_________________?

   A. Strong covalent bond
   B. Large value of dipole moment
   C. High polarizability
   D. Strong hydrogen bonding

9. 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

10. The process in which solid changes directly into vapours without passing through liquid state?

    A. Decantation
    B. Sublimation
    C. Evaporation
    D. None

    Submitted by: Naintara Mustafa