A. Solvent extraction
B. sublimation
C. crystallization
D. vaporization
Direct conversion of solids into vapours is called ___________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Red colour
B. Purple colour
C. Blue colour
D. Yellow colour
In CCI4 I2 shows________________? Read More »
Chemistry Mcqs, Experimental Techniques A. heating
B. sublimation
C. cooling
D. vaporization
Crystallization does not involve_______________? Read More »
Chemistry Mcqs, Experimental Techniques A. impurities
B. crystals
C. solvents
D. both A & B
Animal charcoal adsorbs the coloured_________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Retardation factor
B. Distribution co-efficient
C. Distribution in aqueous solution
D. All statements are wrong
Ratio of the amount of solute in organic and aqueous solvent is________________? Read More »
Chemistry Mcqs, Experimental Techniques A. methylated spirit
B. wood spirit
C. rectified spirit
D. absolute alcohol
95% ethanol is called_________________? Read More »
Chemistry Mcqs, Experimental Techniques A. Filtration
B. Sublimation
C. Crystallization
D. Solvent extraction
A. vapourization
B. solvent extraction
C. filtration
D. crystallization
A. Plastic
B. glass
C. porcetain
D. fiber
Sintered crucible is made up of________________? Read More »
Chemistry Mcqs, Experimental Techniques A. plastic
B. fibre
C. porcelain
D. steel
Gooch Crucibles are made up of________________? Read More »
Chemistry Mcqs, Experimental Techniques