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{:("COLUMN - I","COLUMN - II"),("A) Pizo...

`{:("COLUMN - I","COLUMN - II"),("A) Pizoelectric","p) Electric dipoles spontaneously aligned in one direction"),("B) Antipiezoelectric","q) Heating causes electric field"),("C) Ferroelectric","r) Mechanical stress causes electric field"),("D) Pyroelectric","s) Electric field causes elastic deformation"):}`

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The correct Answer is:
`A-r;B-s;C-p;D-q`
Mechanical stresss - Diezoelectric
Elastic deformation - Anti piezo
Aligmentry electric dipole in one direction cause ferroelectric, Heating causes pyro electric
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Match the entries of Column-I with appropriate entries of Column-II {:("COLUMN - I ","COLUMN - II "),("A) peptization ","p) preparation of sols "),("B) ultra centrifugation ","q) purification of sols "),("C) elctrodialysis ","r) preparation of metal sols "),("D) Bredig's arc method ","s) Movements of ions across the membrane in"),(," presence of electric field "):}

Match the following : {:("COLUMN - I","COLUMN - II"),("A) "I_(2),"p) Electrostatic force"),("B) "SiO_(2),"q) Electron sea"),("C) Mg","r) Network solid"),("D) MgO","s) vander Waal solid"):}

{:("COLUMN-I","COLUMN-II"),("A) Most electronegative","p)" Br),("B) Most electron affinity","q)" At),("C) Liquid halogen","r)" F),("D) Radio active halogen","s)" Cl):}

{:("COLUMN-I","COLUMN-II"),("A) HF","p) Monobasic"),("B) HCl","q) Strong reducing agent"),("C) HBr","r) Strong acid"),("D) HI","s) React with glass"):}

Match the entries of Column-I with appropriate entries of Column-II {:("COLUMN - I ","COLUMN - II "),("A) Conversion of proteins into amino acids ","p) Shape selective catalysts "),("B) Conversion of Alcohols into gasoline ","q) Enzymatic catalysis "),("C) Polymerisation of ethylene ","r) Zeigler-Natta catalyst "),("D) Manufacture of margarine ","s) Heterogeneous catalysis "):}

Match the entries of Column-I with appropriate entries of Column-II {:("COLUMN - I ","COLUMN - II "),("A) Physisorption ","p) Always unimolecular "),("B) Activated adsorption ","q) Multi molecular "),("C) Chemisorption ","r) High temperature is required "),("D) Desorption ","s) Low pressure is required "):}

Match electrical properties listed in Column - II with materials listed in Column - I. {:("COLUMN - I","COLUMN - II"),("A) Pure crystal of silicon at 0 K","p) Semi conductor - p - holes carry current"), ("B) Pure crystal of silicon at 400K","r) Semi conductor - electrons carry current"),("C) Silicon crystal doped with arsenic impurity","r) Insulator"),("D) Silicon crystal dopped with gallium","s) Semi conductor - equal number of p - holes and electrons carry current"):}

{:("Column - I", "Column - II"),("A)Coagulation ","p) Scatering of light"),("B) Peptization", "q) Purification of colloidal solution"),("C) Tyndall effect","r) Addition of electrolyte"),("D) Dialysis","s) Precipitation of colloidal solution"):}

{:("Column - I", "Column - II"),("A) Milk","p) Aerosol "),("B) Dust ","q) Emulsion "),("C) Cheese ","r) Gel"),("D) Froth ","s) Foam "):}

{:("COLUMN-I","COLUMN-II"),("A) Maximum S.R.P.","p)" F_(2)),("B) Corrosive liquid","q)" Cl_(2)),("D) Maximum enthalpy of dissociation","s)" I_(2)):}

AAKASH SERIES-SOLID STATE-PRACTICE SHEET - 3
  1. Which of the following statements are correct about the diamagnetic so...

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  2. Which of the following statement(s) is/are correct?

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  3. Which of the following is/are ferromagnetic substance ?

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  4. The yellow colour of ZnO and conducting nature produced on heating is ...

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  5. Which of the following statement(s) is/are true ?

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  6. Which of the following  is/are correct ?

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  7. Ionic lattice has two major point defects, (1) Schottky (2) Frenkel de...

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  8. Ionic lattice has two major point defects, (1) Schottky (2) Frenkel de...

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  9. Ionic lattice has two major point defects, (1) Schottky (2) Frenkel de...

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  10. Read the following passage and answer the questions at the end of it. ...

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  11. Read the following passage and answer the questions at the end of it. ...

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  12. Read the following passage and answer the questions at the end of it. ...

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  13. Match the following : {:("COLUMN - I","COLUMN - II"),("A) Quartz","p...

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  14. {:("COLUMN - I","COLUMN - II"),("A) Pizoelectric","p) Electric dipoles...

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  15. The density of Ionic solid B^(+)A^(-) (Crystallises in rock salt type)...

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  16. A molecule A(2)B (mol. wt 166.4) occupies triclinic lattice with a a=5...

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  17. Analysis shows that nickel oxide has formula Ni(0.98)O(1.00), the % of...

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  18. The density of Cr atoms is 7.2 g/cm. If the unit cell has edge length ...

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  19. The density of KBr is 2.73 g/cm. The length of the unit cell is 654 pm...

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  20. Find the co-ordination number of sodium in Na(2)O.

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