Separation of a solid from its hot saturated solution by cooling is called__________________?
A. vapourization
B. solvent extraction
C. filtration
D. crystallization
Submitted by :- Jamil Ahmed
mnsoomro
Sintered crucible is made up of________________?
A. Plastic
B. glass
C. porcelain
D. fiber
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Gooch Crucibles are made up of________________?
A. plastic
B. Fibre
C. Porcelain
D. steel
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The solid which is left over the filter paper as a result of filtration_________________?
A. Insoluble particles
B. residue
C. crystals
D. mud
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Identification of the components of a sample is_________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stoichiometry
D. Physical chemistry
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The technique used to separate components of mixture in solid phase ?
A. Crystallization
B. Filtration
C. Sublimation
D. Solvent extraction
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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
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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
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Rate of filtration can be increased by applying gentle suction______________?
A. Gooch crucible
B. Filter paper
C. Sintered crucible
D. All of the above
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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
Submitted by :- Jamil Ahmed