Question # 1

The sample being analyzed is called

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Electrolyte

Substance

Analyte

All of above

The apex angle of the folded filter paper is slightly greater is termed as:

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60 degree

30 degree

45 degree

90 degree

The tip of the funnel should touch the side of the beaker in order to avoid :

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Splashing.

Leakage.

Mixing.

Contamination.

A complete chemical Characterization of a compound must include:

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Qualitative analysis

Chemical analysis

Quantitative analysis

None of above

Sintered glass is a porous material use for :

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Absorpton

Decoration.

Filtration.

All of above.

The liquid obtained after passing the mixture through filter paper is termed as:

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Extract

Residue

Filtrate

Sample

Fluted filter paper is used to :

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Decrease rate of filtration.

Increase rate of filtration.

Maintain rate of filtration.

None of above.

Proteins and amino acid can be separated by:

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Filtration

^Sublimation

Chromatography

Suction

A complete chemical characterization of a compound must include

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Qualitative analysis

Chemical analysis

Quantitative analysis

Both a and c

Identification of a substance, determination of its structure an quantitative analysis of its composition are the aspects covered by:

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Modern analytical physics.

Mechanical chemistry.

Biochemistry.

Modern analytical chemistry.

The detection of functional group is called :

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Numerical analysis.

Qualitative analysis.

Combustion analysis.

Quantitative analysis.

The detection of functional group is called

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Numerical analysis

Qualitative analysis

Combustion analysis

Quantitative analysis

Analytical chemistry is the science of :

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Chemical Characterization.

Physical Characterization.

Biological Characterization.

Biochemical Characterization.

The solution left after the formation of crystals is called :

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Residue.

Filtrate.

Mother liquor.

None of these.

Solvent extraction method is a particularly useful technique of separation when the product to be separated is:

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non-volatile or thermally unstable.

volatile or thermally stable.

non-volatile or thermally stable.

volatile or thermally unstable.

The sample being analyzed is called:

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Electrolyte

Residue

Undue

Filtrate

Which one of the following substances is used to decolourizing agent

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Abestos

Animal charcoal

conc. H2SO4

Silica gel

Without proper suction,filtration is:

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Rapid process

Fague process

Slow process

Useless process

The comparative rates at which the solutes move in paper chromatography, depend on:

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the size of per sued.

R_f values of solutes

temperature of the experiment

size of the chromatography tank used.

The filtration process is used to separate solid from:

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Liquid

Gas

Solid

All of above

The tip of the funnel should touch the side of the beaker in order to avoid

Choose an answer

Splashing

Leakage

Mixing

Contamination

Fluted filter paper is used to:

Choose an answer

Decrease rate of filtration

Increase rate of filtration

Maintain rate of filtration

None of above

Selection of filter paper depends upon sizes of particles to be:

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Tested

^Filtered

Checked

All of above

The other name for distribution law is

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Dispersive law

Partition law

Avogadro's law

separation law

Which one of the following substance is use as decolonizing agent

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Asbestos

Animal charcoal

conc, H₂SO₄

Silica gel

The apex angle of the folded filter paper is slightly greater than :

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60°

30°

45°

90°

The sample being analyzed is called :

Choose an answer

Electrolyte.

Substance.

Analyte.

All of above.

Selection of filter paper depends upon sizes of particles to be :

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Tested.

Filtered.

Checked.

All of above.

Naphthalene, iodine and NH_{4 can :}

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Sublime.

Both (a) and (c).

Crystallize.

None of above.

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