MCQ Questions Class 12 Chemistry | Chapter 1 Solid State Class 12 MCQ with answer

Solid State Class 12 MCQ on Topic- Magnetism, ferromagnetism

Q.The substance which are weakly attracted by magnetic field called

1. Ferromagnetic
2. Ferrimagnetic
3. Paramagnetic
4. Antiferromagnetic

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Q.The substance which are strongly attracted by magnetic field called

1. Ferrimagnetic
2. Ferromagnetic
3. Paramagnetic
4. Antiferromagnetic

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Q.The substance in which alignment of unpaired electron is equal in opposite direction called

1. Ferromagnetic
2. Ferrimagnetic
3. Paramagnetic
4. Antiferromagnetic

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Q.The substance in which alignment of unpaired electron is unequal in opposite direction called

1. Ferromagnetic
2. Ferrimagnetic
3. Paramagnetic
4. Antiferromagnetic

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In diamagnetic substance, number of unpaired electron is

1. Few
2. More
3. Zero
4. None

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Q.The combination of n-type and p- type semiconductor is called

1. Transistor
2. Diode
3. Capacitor
4. None

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Q.The octahedral void is covered by

1. 3 sphere
2. 4 sphere
3. 6 sphere
4. 8 sphere

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Q.Metal having zero resistance are called-

1. Conductor
2. Semiconductor
3. Insulator
4. Superconductor

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Q.What is the cause of magnetic moment

1. Motion of orbital
2. Spin of electron
3. Both a & b
4. Spin of hole

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Q.Ice is the example of –

1. Hydrogen bonded solid
2. Polar solid
3. Ionic solid
4. Covalent solid

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Q.On heating, LiCl gives ________ colour

1. White
2. Pink
3. Yellow
4. Violet

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Q.On heating ZnO turn yellow due to –

1. F-centre
2. Hole
3. Electron in anion vacancy
4. Electron in interstitial site

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Q.Element of 14^th group are _________ solid

1. Ionic solid
2. Covalent solid
3. Metallic solid
4. Molecular solid

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Q.Noble gases at low temperature are

1. Ionic solid
2. Polar molecular solid
3. Non polar molecular solid
4. Covalent solid

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Q.Silicon and germanium are example of –

1. Conductor
2. Insulator
3. Superconductor
4. Semiconductor

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Q.The given structure represents _______.

1. Schottky defect
2. Frenkel defect
3. Metal excess defect
4. Metal deficiency defect

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Q.Which among the following is called a pseudo solid?

1. CaF₂
2. Glass
3. NaCl
4. All

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Q.Graphite, diamond and fullerene are the polymorphic forms of _______.

1. Sulphur
2. Carbon
3. Calcium carbonate
4. Silicon

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Solid CO₂ is an example of _______ crystal

1. Non polar molecular
2. Polar molecular
3. Covalent
4. Metallic

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Q.A sea of electrons is present in _______

1. Ionic solid
2. Metallic solid
3. Covalent solid
4. All

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Q.Band theory of metals is based on _______.

1. Valence band theory
2. Molecular orbital theory
3. Crystal field theory
4. Ligand field theory

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Q.Due to Frenkel defect, the density of ionic solids _______.

1. Increases
2. Decreases
3. Does not change
4. Changes

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Q.With increase in temperature, the electrical conductivity of semiconductors _______.

1. Decreases
2. Remain same
3. Increases
4. None of these

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Q.Point defects are present in _______.

1. Ionic solid
2. Molecular solid
3. Amorphous solid
4. Liquid

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Q.Close packing is maximum in the ______ Crystal

1. Simple cubic
2. Face centred
3. Body centred
4. None of these

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