Gooch Crucibles are made up of________________?
A. plastic
B. fibre
C. porcelain
D. steel
Experimental Techniques
The solid which is left over the filter paper as a result of filtration_________________?
The solid which is left over the filter paper as a result of filtration_________________?
A. Insoluble particles
B. residue
C. crystals
D. mud
Estimation of amounts of different components in a sample is________________?
Estimation of amounts of different components in a sample is________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stochiometery
D. Physical chemistry
Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?
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
A technique of partition chromatography in which the solvent is in a pool at the bottom of container_______________?
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
A substance having very high vapour pressure at its melting point on heating will show_______________?
A substance having very high vapour pressure at its melting point on heating will show_______________?
A. Melting
B. Sublimation
C. Decomposition
D. Condensation
Fluted filter paper is used to__________________?
Fluted filter paper is used to__________________?
A. Filter hot solution
B. Avoid premature crystallization
C. Increase the rate of filtration
D. Decrease the area
Which of the following technique is used for the separation of insoluble particles from liquids ?
Which of the following technique is used for the separation of insoluble particles from liquids ?
A. Filtration
B. Crystallization
C. Solvent extraction
D. Chromatography
Which of the following way in used for classification of chromatography ?
Which of the following way in used for classification of chromatography ?
A. Shape
B. Phase
C. Mechanism
D. All