Solid State Additional Practice Test

12th Standard Chemistry — Solid State: Additional Online Practice Test

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Which of the following properties is not a general characteristic of the solid state of matter?

A.Definite volume and shape B.High incompressibility C.Strong cohesive forces D.High fluidity and diffusion

What distinguishes an amorphous solid from a crystalline solid?

A.Presence of a long-range orderly arrangement B.A sharp and definite melting point C.Short-range, random arrangement of constituents D.Anisotropic physical properties

Under which condition do ionic solids like sodium chloride conduct electricity?

A.In the solid state at room temperature B.When they are in molten state or dissolved in water C.When subjected to very high pressure D.Only when they are absolute zero temperature

Which type of crystalline solid is held together by a three-dimensional network of covalent bonds?

A.Molecular crystals B.Ionic crystals C.Covalent network crystals D.Metallic crystals

Solid carbon dioxide (dry ice) is classified as which type of molecular solid?

A.Non-polar molecular solid B.Polar molecular solid C.Hydrogen bonded molecular solid D.Metallic molecular solid

The characteristic lustre and high electrical conductivity of metals are primarily due to the presence of:

A.Strong ionic bonds B.Weak van der Waals forces C.Mobile electrons pervading the space D.Localized covalent sharing

Based on the crystal lattice systems, how many total possible Bravais lattices exist in three dimensions?

A.7 B.14 C.21 D.32

In a simple cubic unit cell, what is the coordination number of each atom?

A.4 B.6 C.8 D.12

What is the total number of atoms present per unit cell in a Body Centered Cubic (BCC) structure?

A.1 B.2 C.3 D.4

Q10

Which type of three-dimensional close packing is represented by the 'abcabc' repeating pattern?

A.Hexagonal close packing (hcp) B.Simple cubic packing (sc) C.Cubic close packing (ccp) D.Body centered cubic packing (bcc)

Q11

Which of the following metals is unique for crystallizing in a simple cubic pattern?

A.Sodium B.Iron C.Polonium D.Copper

Q12

How does the presence of a Schottky defect affect the density of a crystal?

A.It increases the density B.It decreases the density C.It has no effect on density D.It first increases then decreases density

Q13

Which statement correctly describes a Frenkel defect?

A.Equal numbers of cations and anions are missing B.An ion moves from its lattice site to an interstitial position C.Extra metal ions occupy the interstitial holes D.Impurity atoms replace the original lattice atoms

Q14

The change in colour of zinc oxide from colourless to yellow upon heating is an example of which defect?

A.Schottky defect B.Metal deficiency defect C.Metal excess defect D.Frenkel defect

Q15

F-centers in a crystal lattice are responsible for which physical property?

A.Increased mechanical strength B.Enhanced electrical insulation C.The appearance of colour in the crystal D.Perfect stoichiometric balance

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About this Solid State test

This free online practice test covers Solid State from the 12th Standard Chemistry (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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