Question # 1

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

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60°

30°

45°

90°

A complete chemical characterization of a compound must include

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Qualitative analysis

Chemical analysis

Quantitative analysis

Both a and c

Direct conversion of solid into vapors is called :

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Crystallization

Sublimation

Obligation

Vaporization.

Sintered glass is porous material used for:

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Absorption

Decoration

Filtration

All of above

The solid remained on filter paper during filtration is called the

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Substance

Residue

Undue

Filtrate

The detection of functional group is called

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Numerical analysis

Qualitative analysis

Combustion analysis

Quantitative analysis

The filtration process is used to separate solid from:

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Liquid

Gas

Solid

All of above

Estimation of Na in sea water is an example of

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Numerical analysis

Qualitative analysis

Quantitative analysis

None of above

A complete chemical Characterization of a compound must include:

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Qualitative analysis

Chemical analysis

Quantitative analysis

None of above

In CCL4 solvent I3 shows:

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Blue Color

Brown Color

Purple Color

Pink Color

Sintered glass is a porous material use for :

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Absorpton

Decoration.

Filtration.

All of above.

Which one of the following substances is used to decolourizing agent

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Abestos

Animal charcoal

conc. H2SO4

Silica gel

Naphthalene, iodine and NH_{4 can :}

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Sublime.

Both (a) and (c).

Crystallize.

None of above.

In chromatography, the point at which solvent maximum rises called:

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Solvent front

Base line

Element

Chromatogram

Without proper suction,filtration is:

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Rapid process

Fague process

Slow process

Useless process

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

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Tested.

Filtered.

Checked.

All of above.

The solution left after the formation of crystals is called :

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Residue.

Filtrate.

Mother liquor.

None of these.

The reagents like KMnO_{4 and HCL cannot be filtered through Gooch crucible if its base is covered with :}

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Butterfly paper.

Ordinay paper.

Flying paper.

Filter paper.

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 is termed as:

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60 degree

30 degree

45 degree

90 degree

The sample being analyzed is called :

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Electrolyte.

Substance.

Analyte.

All of above.

Solvent extraction is an unstable, Process and it is called by:

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The amount of solute

Distribution law

The amount of solvent used

Law of mass action

The sample being analyzed is called:

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Electrolyte

Residue

Undue

Filtrate

Solvent extraction is an equilibrium process and it is controlled by :

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law of mass action.

the amount of solvent used.

distribution law.

the amount of solute.

Solvent extraction is an unstable,Process and it is controlled by:

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Alcohol extraction

Petrol extraction

Phenol extraction

Ether extraction

The filtration process is used to separate solid from

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Liquid

Gas

Solid

All of above

95% ethanol is called :

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Rectified ether.

Diesel.

Rectified spirit.

Petrol.

The detection of functional group is called :

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Numerical analysis.

Qualitative analysis.

Combustion analysis.

Quantitative analysis.

Estimation of Na in sea water is an example of :

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Numerical analysis.

Qualitative analysis.

Quantitative analysis.

None of above.

Analytical chemistry is the science of

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Chemical characterization

Physical characterization

Biological characterization

Biochemical characterization

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