1001. Which of the following is directly related to Qualitative analysis?
A. Identification *
B. Separation
C. Measurement
D. Calculation
1002. Which of the following process is used to separate insoluble particles from liquids?
A. Separation
B. Filtration *
C. Crystallization
D. Condensation
1003. The pore size of the filter paper depends upon.
A. Nature of the Medium
B. Temperature of the Medium
C. Size of Particles *
D. Mass of the particles
1004. During the folding of filter paper the apex from angle of about?
A. 800
B. 600 *
C. 900
D. 1800
1005. By using the fluted filter paper rate of filtration is _____.
A. Increased *
B. Decreased
C. Filtration is constant
D. Having no effect
1006. Gooch crucible is used for the Filtration of precipitates having .
A. High Solubility
B. High Concentration
C. High Ignition temperature *
D. Low temperature
1007. Gooch crucible used to filter the solution of _____.
A. H2SO4
B. HCI
C. KMNO4
D. Both B & C *
1008. Which one is the property of an ideal solvent?
A. Should be expensive
B. It should react chemically with the solute
C. Impurities should crystallize along with the solute
D. Should be safe to use *
1009. Which one is not usually used for the crystallization ?
A. Acetone
B. Acetic acid
C. Sulphuric acid *
D. Chloroform
1010. If the solvent is inflammable for heating purpose we use______.
A. Ice bath
B. Water bath *
C. Wire Gauze
D. Thermostat