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