Q.1
What is solid state chemistry?
  • a) study of the synthesis and characteristics of materials which are in solid phase only
  • b) study of the synthesis, structure, and characteristics of solid phase materials
  • c) study of the structure, and characteristics of solid phase materials only
  • d) None of the mentioned
Q.2
Which of the following is a classification of solid state chemistry?
  • a) Crystalline Solid
  • b) Amorphous Solid
  • c) Both a & b
  • d) None of the mentioned
Q.3
Which of the following state of matter is Ice?
  • a) Solid State
  • b) Gaseous State
  • c) Liquid State
  • d) None of the above
Q.4
Water Vapor is which state of matter?
  • a) Solid State
  • b) Gaseous State
  • c) Liquid State
  • d) None of the above
Q.5
What is polymorphism?
  • a) Existence of substance in more than one liquid modifications
  • b) Existence of substance in various states
  • c) Existence of substance in more than one solid modifications
  • d) Existence of substance in more than one gaseous modifications
Q.6
For the preparation of polycrystalline solids (i.e. powder), a mixture of solid starting materials directly react with each other in the solid state. What is the range of the temperature usually required for the solids to react together in Celsius?
  • a) 25 to 37
  • b) -25 to 0
  • c) 2000 to 3000
  • d) 1000 to 1500
Q.7
What are the major important factors for the solid state reactions?
  • a) Mechanical properties of solids
  • b) Thermodynamic and kinetic factors
  • c) Environmental factors
  • d) Size of the particles
Q.8
The appropriate relation between the surface area of any solid with that of the particle size can be stated as
  • a) Surface area of any solid is always equal to the particle size
  • b) Surface area of any solid increases with decrease in particle size
  • c) Surface area of any solid doesn’t depend at all on the particle size
  • d) Surface area of any solid increases with increase in particle size
Q.9
Which one of the following principle has been used in the zone melting method?
  • a) Impurities concentrate in the liquid phase than in gaseous phase
  • b) Impurities concentrate in the solid than in liquid phase
  • c) Impurities concentrate in the gaseous phase than in the solid phase
  • d) Impurities concentrate in the liquid phase than in the solid phase
Q.10
What is the appropriate relation between the reactions of gases and solids?
  • a) Gases react faster than the solids
  • b) Gases do not react at all while solids react faster
  • c) Both gases and solid reacts at a same rate
  • d) Gases react slower than the solids
Q.11
Crystallization of melts is very similar to crystallization of solutions, what is the factor that differentiates the crystallization of melt and solutions?
  • a) Environmental factors
  • b) Entropy
  • c) Size of the particles
  • d) Temperature
Q.12
What are the starting materials for crystallization?
  • a) Liquid, aqueous solution, emulsion
  • b) Gas, aqueous solution, foam
  • c) Aqueous solution, melt, glass or gel
  • d) Solid, gas, melt, solid aerosol
Q.13
Which one of the following options shows the property of an electrolyte that can be used in the electrolysis process?
  • a) Solid non conductor
  • b) Non conducting
  • c) Solid conductor
  • d) Conducting
Q.14
In the chemical vapour deposition the films formed are formed by decomposition of what kind of substances?
  • a) Gaseous molecules
  • b) Solid molecules
  • c) Conducting polymers
  • d) Liquid molecules
Q.15
Hydrothermal method can be a useful technique for___________
  • a) Growing single crystals
  • b) Growing amorphous solid
  • c) Growing Gaseous particles
  • d) Growing liquid CO2
Q.16
In the zone melting method _____________ of the charge is melted at any one time. Fill up the correct option for the blank space from the choices given below.
  • a) Anionic part
  • b) Solid part
  • c) Small part
  • d) Large part
Q.17
If the composition of the solid solutions dependence is linear then which of the following law is obeyed?
  • a) Vegard’s law
  • b) Mendeleev’s law
  • c) Stock Barger’s law
  • d) Bridgeman’s law
Q.18
In which of the following manner the carbon layers are arranged in the graphite structure?
Questionbiotechnology-questions-answers18.jpg
  • a) ABCABC
  • b) AAAAAA
  • c) CBACBA
  • d) ABABAB
Q.19
Which of the following can act as a host crystal during the process of intercalation?
  • a) Titanium
  • b) Fluorine
  • c) Aluminium
  • d) Graphite
Q.20
Which of the following is the main component required to carry out the process of electrolysis?
  • a) Wires
  • b) DC current
  • c) Metal vessel
  • d) AC current
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