Isomorphic substances have _______________?

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. Amorphous substances posses_________________?

   A. No definite geometry
   B. No definite heat of fusion
   C. No sharp melting points
   D. All of the above

3. All of the following substances are crystalline except_____________?

   A. Ice
   B. Diamond
   C. Sucrose
   D. Plastic

   Submitted by: Mansoor Ul Haque

4. 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)

5. The substances that reduces the effectiveness of a catalyst are called ___________________?

   A. Promoters
   B. Poisoning catalysts
   C. Inhibitors
   D. pro-catalysts

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

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

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

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

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

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

9. Which of the following produces black spots when it comes in contact with organic substances such as skin and cellulose?

   A. CuSO4
   B. AgNO3
   C. K2MnO4
   D. CH3COOH

   Submitted by: Muhammad Kamal

10. Which solids are called true solids _______________?

    A. Metallic
    B. Amorphous
    C. Crystalline
    D. Vitreous