Advertisements
Advertisements
प्रश्न
Why do solids have a definite volume?
Advertisements
उत्तर
The intermolecular forces of attraction that are present in solids are very strong. The constituent particles of solids have fixed positions i.e., they are rigid. Hence, solids have a definite volume.
संबंधित प्रश्न
Why are solids rigid?
Classify the following as amorphous or crystalline solids:
Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass, copper.
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?
What makes a glass different from a solid such as quartz? Under what conditions could quartz be converted into glass?
‘Stability of a crystal is reflected in the magnitude of its melting points.’ Comment. Collect melting points of solid water, ethyl alcohol, diethyl ether and methane from a data book. What can you say about the intermolecular forces between these molecules?
Write any two differences between amorphous solids and crystalline solids
Amorphous solids are also known as ____________.
A crystalline solid ____________.
Which of the following is not a crystalline solid?
Which of the following statements about amorphous solids is incorrect?
Which of the following is an amorphous solid?
Which of the following statement is not true about amorphous solids?
The sharp melting point of crystalline solids is due to ______.
Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?
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.
Under which situations can an amorphous substance change to crystalline form?
