Question # 1

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

Choose an answer

60°

30°

45°

90°

Which one of the following substance is use as decolonizing agent

Choose an answer

Asbestos

Animal charcoal

conc, H₂SO₄

Silica gel

The filtration process is used to to separate solid from :

Choose an answer

Liquid.

Gas.

Solid.

All of above.

Estimation of Na in sea water is an example of :

Choose an answer

Numerical analysis.

Qualitative analysis.

Quantitative analysis.

None of above.

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

Choose an answer

non-volatile or thermally unstable.

volatile or thermally stable.

non-volatile or thermally stable.

volatile or thermally unstable.

The solution left after the formation of crystals is called :

Choose an answer

Residue.

Filtrate.

Mother liquor.

None of these.

The sample being analyzed is called

Choose an answer

Electrolyte

Substance

Analyte

All of above

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

Choose an answer

The amount of solute

Distribution law

The amount of solvent used

Law of mass action

Naphthalene, iodine and NH_{4 can :}

Choose an answer

Sublime.

Both (a) and (c).

Crystallize.

None of above.

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

Choose an answer

Tested

^Filtered

Checked

All of above

Gooch crucible is made of:

Choose an answer

Brass

Porcelain

Bronze

.Gold

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

Choose an answer

Modern analytical physics.

Mechanical chemistry.

Biochemistry.

Modern analytical chemistry.

Which one of the following substance is no used as drying agent in desiccators

Choose an answer

Silica gel

CaCl₂

Phosphorous

NaCL(50%)

The solid remained on filter paper during the filtration is called the :

Choose an answer

Substance.

Residue.

Undue.

Filtrate.

Sintered glass is porous material used for:

Choose an answer

Absorption

Decoration

Filtration

All of above

The detection of functional group is called

Choose an answer

Numerical analysis

Qualitative analysis

Combustion analysis

Quantitative analysis

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

Choose an answer

law of mass action.

the amount of solvent used.

distribution law.

the amount of solute.

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

Choose an answer

Extract

Residue

Filtrate

Sample

A complete chemical Characterization of a compound must include:

Choose an answer

Qualitative analysis

Chemical analysis

Quantitative analysis

None 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.

The solid remained on filter paper during filtration is called the

Choose an answer

Substance

Residue

Undue

Filtrate

The tip of funnel should be 1 or 2cm larger than the circle of the

Choose an answer

Beaker

Solid

Filter paper

Liquid

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

Choose an answer

Tested.

Filtered.

Checked.

All of above.

Analytical chemistry is the science of :

Choose an answer

Chemical Characterization.

Physical Characterization.

Biological Characterization.

Biochemical Characterization.

95% ethanol is called:

Choose an answer

Rectified other

Diesel

Rectified spirit

Petrol

The filtration process is used to separate solid from

Choose an answer

Liquid

Gas

Solid

All of above

Which one of the following substances is used to decolourizing agent

Choose an answer

Abestos

Animal charcoal

conc. H2SO4

Silica gel

The sample being analyzed is called:

Choose an answer

Electrolyte

Residue

Undue

Filtrate

Fluted filter paper is used to :

Choose an answer

Decrease rate of filtration.

Increase rate of filtration.

Maintain rate of filtration.

None of above.

More Classes

Other Links

ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer