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.Management Sciences
Category: Chemistry Basic Concept
The rectified spirit is________________?
0
A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol
In which of the following type of reactions energy of reactant is greater than energy of product________________?
A. endothermic
B. exothermic
C. unpredictable
D. same
Across short period the melting and boiling point increase upto __________________?
A. IIIA group
B. IVA group
C. VA group
D. VIA group
Which of the following terms is not used for ionic compound ?
A. formula unit
B. empirical formula
C. molecular formula
D. formula mass
Mass spectrometer is used to determine Mass number of isotopes and___________________?
A. Atomic number
B. Relative abundance
C. Electronic configuration
D. All of the above
Metallic crystals are soluble in________________?
A. Polar solvent
B. Non polar solvent
C. Fused metal
D. None
All the transition elements show_________________?
A. Similar physical properties
B. Similar chemical properties
C. Both A and b
D. None
Combustion analysis is performed to determine__________________?
A. Empirical formula
B. Molecular mass
C. Molecular formula
D. Formula mass
Which of following metals can be displaced by all other metals from its solution ?
A. Ag
B. A
C. Au
D. Cu
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