95% ethanol is called_________________?
(A) methylated spirit
(B) wood spirit
(C) rectified spirit
(D) absolute alcohol
Which of the following technique is simple and efficient to purify a substance____________________?
(A) Filtration
(B) Sublimation
(C) Crystallization
(D) Solvent extraction
Separation of a solid from its hot saturated solution by cooling is called__________________?
(A) vapourization
(B) solvent extraction
(C) filtration
(D) crystallization
The solid which is left over the filter paper as a result of filtration_________________?
(A) Insoluble particles
(B) residue
(C) crystals
(D) mud
Estimation of amounts of different components in a sample is________________?
(A) Quantitative analysis
(B) Qualitative analysis
(C) Stochiometery
(D) Physical chemistry
Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?
(A) Stoichio chemistry
(B) Physical chemistry
(C) Analytical chemistry
(D) Quantum chemistry
The tip of funnel should touch the wall of the breaker in order to avoid____________________?
(A) Inconsistent flow of filtration
(B) splashing
(C) premature crystallization
(D) all of above
Size of filter paper is selected according to the amount of__________________?
(A) solution
(B) amount of insoluble solute
(C) amount of soluble solute
(D) Amount of solvent