Question # 1

Which of the following radical is not a member of II group.

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Cu²⁺

Cd²⁺

Ba³⁺

K+

Which of the following is not a component of flame photometer.

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Pressure regulator and flow meter

The atomizer

The burner

Hallow cathode lamp

The relative error is usually expressed as

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Parts per ten

Parts per one

Parts per hundred

Botha C and D

The point at which the reaction is observed to be complete is called.

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The equivalence point

The end point

The triplet point

The equilibrium point

In second group of inorganic qualitative analysis, the S^2-ions does not form precipitate with which of the following ions.

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^Hg2+

Cu²⁺

Ai³⁺

Cd³⁺

The number 7.65 is rounded to.

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7.6

7.7

7.5

7.8

Which of the following technique is most sanative one.

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Photomerty

AAS

Flame photometry

Flourimetry

Which of the following materials is not suitable as adsorbent for chromatography.

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Silica gel

Activated charocal

Alumina

Calciu7m chloride

The emission of light characteristics of metal and correlation of intensity of the light emitted with concentration of that metal forms the basis of.

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Roman spectroscopy

IR spectroscopy

Flame photometry

Rotational spectroscopy

Which of the following method is based on the solubility difference between the analyte and the unwanted components.

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Distillation

Complex formation

Electrodepostion

Precipitation

Which of the following quantity is correct for micro analysis.

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1 -10 mg or < 50 ml

10-20 mg or > 50 mL

50-100 mg or < 100 mL

None of above

Which of the following statement is not related with the advantages of TLC.

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A variety of adsorbents can be used

The thickness of adsorbent can be varied

Fluorescence can be introduced

Different detectors can be used

Which of the following technique is the application of voltammetry at a fixed potential to detect changes int he currents as a function of the concentrating of the analyte

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Amperometry

Coulometry

Polarography

Potentiomertry

Which of the following species is not a basic radical.

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Ag+

Cl-

Ba2+

K+

The process of determining amounts of each of the components in a sample of matter is termed as.

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Gravimetric analysis

Coulometric analysis

Quantitative analysis

Qualitative analysis

A major constituent of materials one whose amount in the materials is

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1% or more

0.1%

0.01%

0.001 %

An acid base titration involves a neutralization reaction in which an acid is reacted with an equivalent amount of base The titrant is always a strong acid or base The analyte may be

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Strong acid

Strong base

Weak acid and Weak base

All above

Which of the following is not strong electrolytes.

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HCl

H2SO4

HNO3

CH3COOH

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