HSST Chemistry Previous Question Papers. We covered all the HSST Chemistry Previous Question Papers in this post for free so that you can practice well for the exam.
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HSST Chemistry Previous Objective Question Papers for Students
In zinc blende structure, the coordination number of the cations is
(A) 4
(B) 6
(C) 8
(D) 12
Option a – 4
Cu crystallizes with FCC structure lattice. It has a co-ordination number that is
(A) 4
(B) 1
(C) 12
(D) 2
Option c – 12
The ratio of close-packed atoms to tetrahedral holes in cubic packing is
(A) 1 : 1
(B) 1 : 2
(C) 2 : 1
(D) 1 : 3
Option b – 1 : 2
The ratio of close-packed atoms to octahedral holes in cubic packing is
(A) 1 : 1
(B) 1 : 2
(C) 2 : 1
(D) 1 : 3
Option a – 1 : 1
Solid with high electrical and thermal conductivity from the following is
(A) Si
(B) Li
(C) NaCl
(D) Ice
Option b – Li
Most crystals have good cleavage because their atoms, ions, or molecules are
(A) Weakly bound together
(B) Strongly bound together
(C) Spherically symmetrical
(D) Arranged in planes
Option d – Arranged in planes
The limiting radius for tetrahedral geometry is
(A) 0 – 0.154
(B) 0.225 – 0.414
(C) 0.154 – 0.225
(D) 0.414 – 0.732
Option b – 0.225 – 0.414
When certain crystals produce electric signals by applying pressure. It is called
(A) Pyroelectricity
(B) Ferroelectricity
(C) Piezoelectricity
(D) Ferrielectricity
Option c – Piezoelectricity
In a crystal state iodine molecules are held together by
(A) Coulombic force
(B) Dispersion force
(C) Dipole-dipole force
(D) Ion dipole force
Option b – Dispersion force
The Schottky defect is observed when
(A) an Unequal number of cations and anions are mixing from the lattice.
(B) An equal number of cations and anions are mixed from the lattice.
(C) Ions leave lattice sites and occupy interstitial sites.
(D) The density of the crystal increases.
Option b – An equal number of cations and anions are mixed from the lattice
We covered all the hsst chemistry previous question papers above in this post for free so that you can practice well for the exam.
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