Sintered glass is a porous material used for ___________________?
(A) absorption
(B) adsorption
(C) filtration
(D) sublimation
The solvent or mixture of solvents used for separation of compounds is called____________________?
(A) Stationary phase
(B) Mobile phase
(C) Dynamic phase
(D) Static phase
Silica gel and alumina are used as __________________?
(A) Mobile phase
(B) Stationary phase
(C) Mixed phase
(D) Single phase
Safe and the most reliable method of drying crystals is through_________________?
(A) Filter paper
(B) Vacuum desiccators
(C) Oven
(D) None of these
A process controlled by Distributive law is__________________?
(A) Crystallization
(B) Sublimation
(C) Solvent extraction
(D) Filtration
Different components of a mixture have different Rf values due to________________?
(A) Polar solvent used
(B) Combination of solvents used
(C) Their different distribution coefficients in the solvent
(D) Distributive law
Identification of the components of a sample is_________________?
(A) Quantitative analysis
(B) Qualitative analysis
(C) Stoichiometry
(D) Physical chemistry
The technique used to separate components of mixture in solid phase ?
(A) Crystallization
(B) Filtration
(C) Sublimation
(D) Solvent extraction
Which one is not the absolute term of the element _________________ ?
(A) Ionization energy
(B) Electron affinity
(C) Electro negativity
(D) Atomic size