Everyday Science MCQs

5120 MCQs  (Page 325 of 512)

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Selection of filter paper depends on size of particles to be________________?
A. Filtered
B. Dried
C. Decolorized
D. Decanted
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The solvent or mixture of solvents used for separation of compounds is called____________________?
A. Stationary phase
B. Mobile phase
C. Dynamic phase
D. Static phase
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Sintered glass is a porous material used for ___________________?
A. Absorption
B. Adsorption
C. Filtration
D. Sublimation
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Which is not related pair of term used in analytical techniques________________?
A. Filtrate residue
B. Sublimate sublimation
C. Drying desiccator
D. Separating funnel mother liquor
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The major steps involved in complete quantitative analysis are _________________?
A. 2
B. 3
C. 4
D. 5
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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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The technique used to separate components of mixture in solid phase ?
A. Crystallization
B. Filtration
C. Sublimation
D. Solvent extraction
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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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Different components of a mixture have different Rf values due to________________?
A. Polar solvent used
B. Combination of solvents used
C. Their different distribution coefficients in the solvent
D. Distributive law
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A process controlled by Distributive law is__________________?
A. Crystallization
B. Sublimation
C. Solvent extraction
D. Filtration
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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