PPSC Chemistry Part IV Analytical Chemistry Online Test With Answers

PPSC Chemistry Part IV Analytical Chemistry Online Test

Sr. # Questions Answers Choice
1 Which of the following statements is not correct with respect to errors in flame photometry. Errors rising form the phenomena developed in the Hollow cathode lamp Background effect Errors arising from test element itself Spectral interference
2 Which of the following is not a component of flame photometer. Pressure regulator and flow meter The atomizer The burner Hallow cathode lamp
3 Which of the following fuel is used in flame photometry. Hydrogen gas Acetylene gas Methane Propane All above
4 The relative populations of gourd state and excited state populations at a given flame temperature can be estimated using. Boltzmann distribution law Maxwell law Lambertie law Beer's law
5 Which of the following statements is not related with flame photometric analysis. Vaporization of the solvent leaving back the residue Conversion of solid slat to the gaseous state Dissociation of gaseous molecules into free atoms Measurement of the intensity of absorbed tradition
6 The emission of light characteristics of metal and correlation of intensity of the light emitted with concentration of that metal forms the basis of. Roman spectroscopy IR spectroscopy Flame photometry Rotational spectroscopy
7 Which of the following statements is not true with respect to atomic spectroscopy. Atoms are simplest form of matter Atoms cannot rotate or vibrate as molecules do Only electronic transitions within atoms take place Band spectra are observed
8 Which of the following technique has flame as a source of excitation energy. UV spectroscopy I-R spectrocscopy Flame photometry Raman spectroscopy
9 Which of the following analytical technique is not concerned with atomic spectroscopy. Flame photometry Flame emission spectrometry Atomic absorption spectrometry I-R spectrophotometry
10 Which of the following acid radical give organic layer test. Cl- CO3 I S<sup>2-</sup>
11 Which of the following salt is green in colour Mn salt Cr salt Co salt Ba salt
12 A mixture containing S2- and SO4 ions on trating with dil HCl will produce H2S gas SO2 gas H2S and SO2 gas CO
13 Which of the following acid radical gives chromyl chorate test. F- I- Cl- Br-
14 Which of the following hydroxide is getatinous in nature. Fe(OH)3 Al(OH)3 Ca(OH)3 Cr (OH)3
15 Cobalt salt imparts which colour to the borax bead Blue Green Red Yellow
16 Which of the following extract is used for wet tests of acid radicals. Calcium carbonate extract Sodium iodide extract Sodium carbonate extract Ammonium carbonate extract
17 Which of the following acid radical is not interfering. Phosphate Borate Flouride Sulphate
18 Which of the following salt is water insoluble. K2SO4 Na2SO4 BaSO4 None of abvoe
19 Which of the following salt is soluble in water. BaCO3 SrCO3 CaCO3 K2CO3
20 Which of the following salt is colourless. Zn salt Co salt Ni salt Mn salt
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