Advertisements
Advertisements
प्रश्न
Why are liquids and gases categorised as fluids?
Advertisements
उत्तर
The liquids and gases have a property to flow i.e. the molecules can move past and tumble over one another freely. Hence they have been categorized as fluids.
APPEARS IN
संबंधित प्रश्न
Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?
Copper crystallises into a fcc lattice with edge length 3.61 × 10−8 cm. Show that the calculated density is in agreement with its measured value of 8.92 g cm−3.
Define Anisotropy.
A compound is made up of two elements X and Y and crystallizes in bcc structure. Atoms of X are present at the corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is ______.
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 ______.
Classify the following solid.
NaCl
Which of the following is TRUE about molecular solids?
Which among the following is an example of network solid?
An AB2 type structure is found in ____________.
Solid CH4 is ____________.
Which of the following exists as covalent crystals in the solid state?
The major binding force of diamond, silicon and quartz is ____________.
Iodine molecules are held in the crystals lattice by ______.
Graphite cannot be classified as ______.
NaCl type crystal (with coordination no. 6 : 6) can be converted into CsCl type crystal (with coordination no. 8 : 8) by applying ____________.
Which of the following cannot be regarded as molecular solid?
(i) SiC (Silicon carbide)
(ii) AlN
(iii) Diamond
(iv) I2
Which of the following molecules is non-polar in nature?
Which of the following is not correct?
Graphite is a ______.
Mention the res of the following solid:
CO2
