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.Management Sciences
Category: Chemistry Mcqs
Noble gases are named so because they are__________________?
0
A. less reactive
B. Zero group elements
C. Having completely filled valence shell
D. All
Which of the following will not form crystalline structure with opporitely charged ions_________________?
A. H+
B. H-
C. Mg2+
D. Ca2+
Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?
A. More strength of H-bonding
B. More strength of London forces
C. Less polarizability
D. All of the above
Enthalpy of combustion for food fuel and other compounds can be measured accurately by________________?
A. glass calorimeter
B. bomb calorimeter
C. thermometer
D. manometer
The tip of funnel should touch the wall of the breaker in order to avoid____________________?
A. Inconsistent flow of filtration
B. splashing
C. premature crystallization
D. all of above
Glycine is the name of an amino acid because___________________?
A. Sweet taste
B. Bitter taste
C. Shining appearance
D. Green colour
The chemical formula of sodium hypochlorite is________________?
A. NaCLO
B. NaClO2
C. NaClO3
D. NaClO4
Mixtures which distill over without change in composition called___________________?
A. zeotropic mixture
B. azeotropic mixture
C. amphoteric mixture
D. ideal solution
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