Estimation of amounts of different components in a sample is________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stoichiometry
D. Physical chemistry
Submitted by :- Jamil Ahmed
CHEMISTRY
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Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?
A. Stoichio chemistry
B. Physical chemistry
C. Analytical chemistry
D. Quantum chemistry
Submitted by :- Jamil Ahmed
A technique of partition chromatography in which the solvent is in a pool at the bottom of container_______________?
A. Adsorption chromatography
B. Ascending chromatography
C. Radial chromatography
D. Descending chromatography
Submitted by :- Jamil Ahmed
A substance having very high vapour pressure at its melting point on heating will show_______________?
A. Melting
B. Sublimation
C. Decomposition
D. Condensation
Submitted by :- Jamil Ahmed
Fluted filter paper is used to__________________?
A. Filter hot solution
B. Avoid premature crystallization
C. Increase the rate of filtration
D. Decrease the area
Submitted by :- Jamil Ahmed
Which of the following technique is used for the separation of insoluble particles from liquids ?
A. Filtration
B. Crystallization
C. Solvent extraction
D. Chromatography
Submitted by :- Jamil Ahmed
Which of the following way in used for classification of chromatography ?
A. Shape
B. Phase
C. Mechanism
D. All
Submitted by :- Jamil Ahmed
Neutrons moving with an energy of 1.2 MeV are called_______________?
A. Fast neutrons
B. Slow neutrons
C. Moderate neutrons
D. All are possible
Submitted by :- Jamil Ahmed
When 6d orbital is complete the entering electron goes into_________________?
A. 7f
B. 7s
C. 7p
D. 7d
Submitted by :- Jamil Ahmed
Centrifugal forces are balanced in atom by__________________?
A. Attractive forces
B. Repulsive force
C. Electrons
D. Neutrons
Submitted by :- Jamil Ahmed