Laws of Chemical Combination NDA Questions

Laws of Chemical Combination MCQ Questions

13.
________________ depends on temperature. It decreases with an increase in temperature.
A.
Solid
B.
Materials
C.
Electronic Conductance
D.
Atom
ANSWER :
C. Electronic Conductance
14.
Which years the Faraday’s Laws of described Electrolysis ?
A.
1798-43
B.
1901-32
C.
1876-87
D.
1833-34
ANSWER :
D. 1833-34
15.
What is the high temperature number of ceramic materials and mixed oxides to show superconductivity at temperatures?
A.
172 K
B.
150 K
C.
157 K
D.
87 K
ANSWER :
B. 150 K
16.
Electrical conductance through metals is called
A.
Metallic
B.
Insulators
C.
Movement of Electrons
D.
Materials
ANSWER :
A. Metallic
17.
______________ metals are produced by the electrolysis of their fuse.
A.
Carbon and Oxide
B.
Oxygen and Nitrogen
C.
Sodium and Magnesium
D.
Sodium and Hydrogen
ANSWER :
C. Sodium and Magnesium
18.
Measurement of the conductivity of ionic solutions accurate of an unknown resistance can be performed on a
A.
White Field
B.
Wheatstone Bridge
C.
White House
D.
Bridge
ANSWER :
B. Wheatstone Bridge