Question # 1

Which of the following analytical technique is based on the refraction of radiation.

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Conductometry

Refractometry

Coulometry

Potentiaometry

Which of the following is not an acid radical

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Cl-

Br-

K+

I-

Which of the following sulphide is yellow in colour.

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HgS

PbS

CdS

SnS

DTA is of great importance in which of the following field

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Ceramic

Metallurgy

Mineralogy

All

Which of the following is not a component of a gas chromatography system.

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Carrier gas

Capillary column

Packed column

Cathode lamp

Which of the following fuel is used in flame photometry.

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Hydrogen gas

Acetylene gas

Methane

Propane

All above

Which of the following techniques involve gas as the mobile phase.

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HPLC

GLC

TLC

Paper chromatography

Which of the following group reagent is used for III group of basic radical.

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Dilute HCl

H2S + HCl

NH4OH + NH4Cl

NH4OH + H2S

Which of the following basic process is involved in the separation of the complex mixture by chromatographic techique.

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Partition

Adsorptions

Ion exchange

All of the above processes

Which of the following technique in current voltage technique

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Amperometry

Voltammetry

Poteatiomertry

Polarography

The branch of chemistry which deals with the analysis of chemical products is known as.

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Physical chemistry

Organic chemistry

Inorganic chemistry

Analytical chemistry

Which of the following physical properties is employed int he analytical methods.

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Electric current

Transition temperature

Surface tension

All above

Which of the following statement is not true with respect to electrode potential.

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Feasibility of a chemicals reaction

Rate of chemical reaction

Nature of a chemical reaction

Free energy of a chemical reaction

The exchange equilibrium in gas chromatography depends on.

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Solubility or absorbability of he sample

The polarity of he stationary phase and analyte

The degree of H bonding

All above factors

The pH of 0.001 N HCl is

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1

2

3

4

Which of the following steps is involved in quantitative analysis.

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Sampling

Conversion of the desired constituent into a suitable form per analysis.

Measurement of some physical or chemicals property, on which the determination is based.

All above steps

Which of the following detector is used for compounds containing electronegative atoms.

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Mass specdtrometer

ECD

TCD

UV-detector

Which of the following steps is not involved in chemical analysis.

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Separation of sample in pure form

Separation of the sample in the mixture form

Preparation of sample for the analyisis

Validity of experimental results

Which property is used in volumetric methods of analysis.

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Density

Viscosity

Volume

Molar volume

Which of the following is not an organic precipitating agent.

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Diemethglyoxime

Cuperon

Oxime

Acetate

Which of the following is a thermometric method.

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TGA

DTA

DTG

All

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