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प्रश्न
Define Anisotropy.
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उत्तर
The ability of crystalline solids to change values of physical properties when measured in different directions is called anisotropy.
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संबंधित प्रश्न
How are the crystalline solids classified?
Answer the following in brief.
Distinguish between ionic solids and molecular solids
Classify the following solid:
Pb
The ionic radii of A+ and B− are 0.98 × 10−10 m and 1.81 × 10−10 m. The coordination number of each ion in AB is ______.
Give any three characteristics of ionic crystals.
Select the INCORRECT match:
____________ is an example of molecular crystal.
Which among the following is NOT a polar molecular solid?
Lithium crystallizes into body centered cubic structure. What is the radius of lithium if edge length of it's unit cell is 351 pm?
Which among the following is not true for crystalline solid?
Which among the following is an example of network solid?
Brass is an example of ____________.
Solid X is a very hard electrical insulator in solid as well as in molten state. It melts at extremely high temperature. Solid X is a ____________.
Order of increasing melting points among H2O(s), C(s), CS2 and Sn is ____________.
Ionization enthalpy is lowest in ____________.
The hardest substance among the following is:
Among solids, the highest melting point is exhibited by ____________.
Which one of the following forms a molecular solid when solidified?
Which of the following is not the characteristic of ionic solids?
Which of the following is not true about the ionic solids?
Who introduced the term covalent bond?
Which of the following exists as covalent crystals in the solid state?
Among the following which is the best description of water in the solid phase?
Which of the following is not correct?
Mention the res of the following solid:
CO2
What are intermolecular forces of attraction involved in molecular crystals?
Quartz is which type of crystal?
