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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
What type of solids are electrical conductors, malleable and ductile?
Explain the basis of similarities between metallic and ionic crystals.
How are the crystalline solids classified?
Answer the following in brief.
Distinguish between ionic solids and molecular solids
In calcium fluoride, having the flurite structure the coordination number of Ca2+ ion and F− Ion are ____________.
Classify the following solid.
Brass
Classify the following solid.
Diamond
Fullerene is an example of ____________.
Lithium crystallizes into body centered cubic structure. What is the radius of lithium if edge length of it's unit cell is 351 pm?
Brass is an example of ____________.
Ionization enthalpy is lowest in ____________.
Which among the following is an example of non-polar molecule?
MgO has the structure of NaCl. The coordination number of the ions in MgO is ____________.
An AB2 type structure is found in ____________.
Among solids, the highest melting point is exhibited by ____________.
Which of the following exists as covalent crystals in the solid state?
Which one of the following forms a molecular solid when solidified?
Iodine molecules are held in the crystals lattice by ______.
Which of the following is not the characteristic of ionic solids?
Which of the following is not true about the ionic solids?
Which of the following exists as covalent crystals in the solid state?
The covalent bond length is the shortest in which one of the following bonds?
A reddish-pink substance on heating gives off a vapour which condenses on the sides of the test tube and the substance turns blue. If on cooling water is added to the residue it turns to original colour. The substance is ______.
Which of the following is not correct?
Mention the res of the following solid:
Ice
Mention the res of the following solid:
CO2
What are intermolecular forces of attraction involved in molecular crystals?
Quartz is which type of crystal?
