हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Amorphous solid can also be called: (i) pseudo solids (ii) true solids (iii) super cooled liquids (iv) super cooled solids - Chemistry

Advertisements
Advertisements

प्रश्न

Amorphous solid can also be called:

(i) pseudo solids

(ii) true solids

(iii) supercooled liquids

(iv) supercooled solids

टिप्पणी लिखिए
Advertisements

उत्तर

(i) pseudo solids

(iii) supercooled liquids

Explanation:

The structure of amorphous solids is similar to that of the liquids. They have a tendency to flow like liquids, though very slowly. Therefore, sometimes they are called pseudo solids or supercooled liquids.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Solid States - Exercises [पृष्ठ ९]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 1 Solid States
Exercises | Q II. 46. | पृष्ठ ९

संबंधित प्रश्न

The relation a ≠ b ≠ c and α ≠  β ≠  γ represents which crystal system?

(A) Orthorhombic

(B) Tetragonal

(C) Triclinic

(D) Monoclinic


Why do solids have a definite volume?


Why is glass considered a super cooled liquid?


Refractive index of a solid is observed to have the same value along all directions. Comment on the nature of this solid. Would it show cleavage property?


Write any two differences between amorphous solids and crystalline solids


Why does sodium chloride on heating with sodium vapours acquire yellow colour?


Which among the following is not an example of amorphous solids?


Assertion: Stability of a crystal is reflected in the magnitude of its melting.

Reason: The stability of a crystal depends upon the strength of the interparticle attractive force.


A crystalline solid ____________.


Which of the following is an amorphous solid?


The sharp melting point of crystalline solids is due to ______.


Which one of the following is non-crystalline or amorphous?


Which of the following is true about the value of refractive index of quartz glass?


Which of the following features are not shown by quartz glass?

(i) This is a crystalline solid.

(ii) Refractive index is same in all the directions.

(iii) This has definite heat of fusion.

(iv) This is also called super cooled liquid.


The property of crystalline solid is not ______.


Assertion A: Sharp glass edge becomes smooth on heating it upto its melting point.

Reason R: The viscosity of glass decreases on melting.

Choose the most appropriate answer from the options given below.


An ionic solid AB2 isomorphous to the rutile structure (a tetragonal system with the effective number of formula units = 2) has edge lengths of the unit cell of 4Å, 4Å and 7Å. The density of the substance is ______ mg/cc. (if its formula weight is 80. The NA = 6 × 1023 and express your answer in mg/cc using four significant digits.)


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×