The hardest of the following solids is__________________?

Related Mcqs:

1. Which solids are called true solids _______________?

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

2. Which of the following solids show anisotropy___________________?

   A. Plastic B. Glass C. Rubber D. None of the above...

3. In solids the temperature is the measure of__________________?

   A. Average kinetic energy of molecules B. Vibrational kinetic energy C. Translational kinetic energy D. None of the above...

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

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

5. The viscosity of solids is________________?

   A. Infinite B. Negligible C. Medium D. No concept of viscosity in solid...

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

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

7. Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?

   A. 6 B. 8 C. 10 D. 4...

8. The number of moles of CO2 which contains 16 g of oxygen is__________________?

   A. 0.25 B. 0.5 C. 0.75 D. 1...

9. A solution has pH = 0 its H+ ion concentration is__________________?

   A. 1 x 10-1 B. 1 x 10-14 C. 1 x 10-7 D. 1...

10. The unit of molality is__________________?

    A. moles dm-3 B. moles kg-1 C. gram dm-3 D. none...