A process controlled by Distributive law is__________________?
A process controlled by Distributive law is__________________? A. Crystallization B. SublimationC. Solvent extraction D. Filtration
A process controlled by Distributive law is__________________? A. Crystallization B. SublimationC. Solvent extraction D. Filtration
Different components of a mixture have different Rf values due to________________? A. Polar solvent used B. Combination of solvents usedC. Their different distribution coefficients in the solvent D. Distributive law
Identification of the components of a sample is_________________? A. Quantitative analysisB. Qualitative analysis C. Stoichiometry D. Physical chemistry
The technique used to separate components of mixture in solid phase ? A. Crystallization B. FiltrationC. Sublimation D. Solvent extraction
The tip of funnel should touch the wall of the breaker in order to avoid____________________? A. Inconsistent flow of filtrationB. splashing C. premature crystallization D. all of above
Size of filter paper is selected according to the amount of__________________? A. solutionB. amount of insoluble solute C. amount of soluble solute D. Amount of solvent
Rate of filtration can be increased by applying gentle suction______________? A. Gooch crucibleB. Filter paper C. Sintered crucible D. All of the above
In crystallization if the solvent is inflammable then direct heating is________________? A. neededB. avoided C. depends on temperature D. crystallization does not involve heating
In solvent extraction ether is used to separate products of organic synthesis from________________? A. water B. iodine C. hydrochloric acid D. gases
The use of CaCl2 and PCl5 in the process of crystallization is as a____________________? A. oxidizing agent B. reducing agentC. drying agent D. colouring agent