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

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ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry Online Test

Sr. # Questions Answers Choice
1 The filtration process is used to separate solid from Liquid Gas Solid All of above
2 The solid remained on filter paper during filtration is called the Substance Residue Undue Filtrate
3 The sample being analyzed is called Electrolyte Substance Analyte All of above
4 The detection of functional group is called Numerical analysis Qualitative analysis Combustion analysis Quantitative analysis
5 Identification of a substance, determination of its structure and quantitative analysis of its composition are the aspects covered by Modern analytical physics Mechanical chemistry Biochemistry Modern analytical chemistry
6 Estimation of Na in sea water is an example of Numerical analysis Qualitative analysis Quantitative analysis None of above
7 A complete chemical characterization of a compound must include Qualitative analysis Chemical analysis Quantitative analysis Both a and c
8 Analytical chemistry is the science of Chemical characterization Physical characterization Biological characterization Biochemical characterization
9 Fluted filter paper is used to: Decrease rate of filtration Increase rate of filtration Maintain rate of filtration None of above
10 Direct conversion of solid intro vapours is called: Crystallization Sublimation Obligation Vapourization
11 The liquid obtained after passing the mixture through filter paper is termed as: Extract Residue Filtrate Sample
12 In CCL4 solvent I3 shows: Blue Color Brown Color Purple Color Pink Color
13 Solvent extraction is an unstable, Process and it is called by: The amount of solute Distribution law The amount of solvent used Law of mass action
14 Chromatography is derived from Greek word 'Khromatos' means: Type writting Printing Color writing Writing
15 In chromatography, the point at which solvent maximum rises called: Solvent front Base line Element Chromatogram
16 The apex angle of the folded filter paper is slightly greater is termed as: 60 degree 30 degree 45 degree 90 degree
17 Which one of the following substances is used to decolourizing agent Abestos Animal charcoal conc. H2SO4 Silica gel
18 Solvent extraction is an unstable,Process and it is controlled by: Alcohol extraction Petrol extraction Phenol extraction Ether extraction
19 Selection of filter paper depends upon sizes of particles to be: Tested <sup>Filtered</sup> Checked All of above
20 Proteins and amino acid can be separated by: Filtration <sup>Sublimation</sup> Chromatography Suction
21 Sintered glass is porous material used for: Absorption Decoration Filtration All of above
22 Gooch crucible is made of: Brass Porcelain Bronze .Gold
23 The sample being analyzed is called: Electrolyte Residue Undue Filtrate
24 Without proper suction,filtration is: Rapid process Fague process Slow process Useless process
25 The filtration process is used to separate solid from: Liquid Gas Solid All of above
26 95% ethanol is called: Rectified other Diesel Rectified spirit Petrol
27 The other name for distribution law is Dispersive law Partition law Avogadro's law separation law
28 The detection of functional group is called: Numerical analysis Qualitative analysis Quantitative analysis Combustion analysis
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