Rate of filtration can be increased by applying gentle suction______________?
(A) Gooch crucible
(B) Filter paper
(C) Sintered crucible
(D) All of the above
In crystallization if the solvent is inflammable then direct heating is________________?
(A) needed
(B) 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 agent
(C) drying agent
(D) colouring agent
Without suction pump filtration is __________________?
(A) Fast process
(B) Slow process
(C) Rapid process
(D) All are possible
Direct conversion of solids into vapours is called ___________________?
(A) Solvent extraction
(B) sublimation
(C) crystallization
(D) vaporization
In CCI4 I2 shows________________?
(A) Red colour
(B) Purple colour
(C) Blue colour
(D) Yellow colour
Crystallization does not involve_______________?
(A) heating
(B) sublimation
(C) cooling
(D) vaporization
The major steps involved in complete quantitative analysis are _________________?
(A) 2
(B) 3
(C) 4
(D) 5
Which is not related pair of term used in analytical techniques________________?
(A) Filtrate residue
(B) Sublimate sublimation
(C) Drying desiccator
(D) Separating funnel mother liquor