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प्रश्न
Write any two differences between amorphous solids and crystalline solids
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उत्तर
| Crystalline solids | Amorphous solids |
| They have long range order i.e there is regular arrangement of molecules over a long distance. | They have short range order i.e there is regular arrangement of molecules over a short distance only. |
| They are anisotropic i.e the value of physical properties will be different when measured along different directions | They are isotropic i.e they will show same values of all physical properties when measured along different directions |
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संबंधित प्रश्न
The relation a ≠ b ≠ c and α ≠ β ≠ γ represents which crystal system?
(A) Orthorhombic
(B) Tetragonal
(C) Triclinic
(D) Monoclinic
What is the hybridisation of carbon atom in diamond and graphite?
Classify the following as amorphous or crystalline solids:
Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass, copper.
Why does sodium chloride on heating with sodium vapours acquire yellow colour?
Amorphous solids are also known as ____________.
Most crystals show good cleavage because their atoms, ions or molecules are ____________.
Which of the following is not a crystalline solid?
Which of the following is an amorphous solid?
Which of the following is true about the value of refractive index of quartz glass?
Under which situations can an amorphous substance change to crystalline form?
