491. 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

492. Estimation of amounts of different components in a sample is________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stochiometery
D. Physical chemistry

493. The solid which is left over the filter paper as a result of filtration_________________?
A. Insoluble particles
B. residue
C. crystals
D. mud

494. Gooch Crucibles are made up of________________?
A. plastic
B. fibre
C. porcelain
D. steel

495. Sintered crucible is made up of________________?
A. Plastic
B. glass
C. porcetain
D. fiber

496. Separation of a solid from its hot saturated solution by cooling is called__________________?
A. vapourization
B. solvent extraction
C. filtration
D. crystallization

497. Which of the following technique is simple and efficient to purify a substance____________________?
A. Filtration
B. Sublimation
C. Crystallization
D. Solvent extraction

498. 95% ethanol is called_________________?
A. methylated spirit
B. wood spirit
C. rectified spirit
D. absolute alcohol

499. Ratio of the amount of solute in organic and aqueous solvent is________________?
A. Retardation factor
B. Distribution co-efficient
C. Distribution in aqueous solution
D. All statements are wrong

500. Animal charcoal adsorbs the coloured_________________?
A. impurities
B. crystals
C. solvents
D. both A & B