A. Crystallization
B. Sublimation
C. Solvent extraction
D. Filtration
A process controlled by Distributive law is__________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Polar solvent used
B. Combination of solvents used
C. Their different distribution coefficients in the solvent
D. Distributive law
Different components of a mixture have different Rf values due to________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Quantitative analysis
B. Qualitative analysis
C. Stoichiometry
D. Physical chemistry
Identification of the components of a sample is_________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Crystallization
B. Filtration
C. Sublimation
D. Solvent extraction
The technique used to separate components of mixture in solid phase ? Read More »
Chemistry Mcqs, Experimental Techniques A. Inconsistent flow of filtration
B. splashing
C. premature crystallization
D. all of above
A. solution
B. amount of insoluble solute
C. amount of soluble solute
D. Amount of solvent
Size of filter paper is selected according to the amount of__________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Gooch crucible
B. Filter paper
C. Sintered crucible
D. All of the above
Rate of filtration can be increased by applying gentle suction______________? Read More »
Chemistry Mcqs, Experimental Techniques A. needed
B. avoided
C. depends on temperature
D. crystallization does not involve heating
In crystallization if the solvent is inflammable then direct heating is________________? Read More »
Chemistry Mcqs, Experimental Techniques A. water
B. iodine
C. hydrochloric acid
D. gases
A. oxidizing agent
B. reducing agent
C. drying agent
D. colouring agent
The use of CaCl2 and PCl5 in the process of crystallization is as a____________________? Read More »
Chemistry Mcqs, Experimental Techniques