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Solid State QUESTIONS AND ANSWERS

IIT JEE : Solid State QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.Clay is an example of

Orthosilicate

Sheet silicate

Chain silicate

Frame work silicate.

17.What is true about solids? I. Interparticle distance is minimumII. K.E. of particles is highIII. Interparticle attraction is largeIV. All solids have sharp mp and bp.

I, II, III

Only II

I, III

IV, II.

18.What is not true about amorphous solids? I. They undergo clean cleavage II. They do not have sharp melting pointsIII. They have high degree of rigidityIV. They exhibit isotropy.

II, III

III, IV

I, IV.

19.If a is edge length of a face centred cubic unit cell, then the distance of closest approach of two particles is

0.866a

1.732a

1.414a

0.707a.

20.The number of octahedral voids in HCP arrangement of N spheres is

2 N

3 N

4 N.