MCQ NO.1145 | PA
How many gms of a drug should be used in preparing 500 ml of a 1 : 2500 solution?
How many gms of a drug should be used in preparing 500 ml of a 1 : 2500 solution?
Anonymous Quiz
19%
0.02
48%
1.25
17%
0.4
16%
0.2
MCQ NO.1146 | PA
Which one of the following indicators is used in Complexometric Titration?
Which one of the following indicators is used in Complexometric Titration?
Anonymous Quiz
30%
Murexide
30%
Crystal Violet
29%
Methyl Orange
11%
Eosin
MCQ NO.1147 | PA
Acetous perchloric acid solution a common titrant in non-aqueous titrimetry is standardized by..
Acetous perchloric acid solution a common titrant in non-aqueous titrimetry is standardized by..
Anonymous Quiz
13%
standard alcoholic KOH solution
59%
Potassium hydrogen phthalate solution in glacial acetic acid
18%
mercuric acetate in glacial acetic acid
10%
N/10 Potassium permanganate
MCQ NO.1148 | IMA
Which of the following is the principle of Flame emission photometers?
Which of the following is the principle of Flame emission photometers?
Anonymous Quiz
50%
Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states
26%
Medium absorbs radiation and transmitted radiation is measured
23%
Colour and wavelength of the flame is measured
1%
Only wavelength of the flame is measured
MCQ NO.1149 | IMA
In Flame emission photometers, the measurement of _____________ is used for qualitative analysis.
In Flame emission photometers, the measurement of _____________ is used for qualitative analysis.
Anonymous Quiz
41%
Colour
40%
Intensity
11%
Velocity
8%
Frequency
MCQ NO.1150 | IMA
In Flame emission photometers, the measurement of _____________ is used for quantitative analysis.
In Flame emission photometers, the measurement of _____________ is used for quantitative analysis.
Anonymous Quiz
43%
Colour
39%
Intensity
11%
Velocity
7%
Frequency
MCQ NO.1151 | IMA
Which of the following is not an advantage of Laminar flow burner used in Flame photometry?
Which of the following is not an advantage of Laminar flow burner used in Flame photometry?
Anonymous Quiz
19%
Noiseless
21%
Stable flame for analysis
20%
Efficient atomization of sample
40%
Sample containing two or more solvents can be burned efficiently
MCQ NO.1152 | IMA
Laminar flow burner used in Flame photometers is also known as _______
Laminar flow burner used in Flame photometers is also known as _______
Anonymous Quiz
32%
Turbulent burner
22%
Premix burner
32%
Total consumption burner
14%
Nozzle mix burner
MCQ NO.1153 | IMA
Which of the following is the advantage of prism monochromators?
Which of the following is the advantage of prism monochromators?
Anonymous Quiz
17%
Dispersion is non-overlapping
36%
Dispersion occurs in non-linear manner
16%
Dispersion is overlapping
30%
Dispersion occurs in a linear manner
MCQ NO.1154 | IMA
Which of the following is the advantage of grating monochromators?
Which of the following is the advantage of grating monochromators?
Anonymous Quiz
22%
Dispersion is non-overlapping
35%
Dispersion occurs in non-linear manner
17%
Dispersion is overlapping
27%
Dispersion occurs in a linear manner
MCQ NO.1155 | IMA
Which of the following is not a detector used in Flame emission photometers?
Which of the following is not a detector used in Flame emission photometers?
Anonymous Quiz
14%
Photronic cell
22%
Photovoltaic cell
17%
Photoemissive tube
46%
Chromatogram
MCQ NO.1156 | IMA
The function of pressure regulators in emission system of flame photometer is to have a steady flame which is free from flickers.
The function of pressure regulators in emission system of flame photometer is to have a steady flame which is free from flickers.
Anonymous Quiz
78%
True
22%
False
MCQ NO.1157 | IMA
In Total consumption burner, only samples of particular droplet size will enter the burner.
In Total consumption burner, only samples of particular droplet size will enter the burner.
Anonymous Quiz
69%
True
31%
False
MCQ NO.1158 | IMA
Phototubes are more sensitive than photovoltaic cells.
Phototubes are more sensitive than photovoltaic cells.
Anonymous Quiz
69%
True
31%
False
MCQ NO.1159 | IMA
Which of the following is not an application of Flame emission photometers?
Which of the following is not an application of Flame emission photometers?
Anonymous Quiz
27%
Analysis of biological fluids
32%
Determination of sodium, potassium in soil
21%
Determination of metals such as Mn, Cu
21%
Analysis of complex mixtures
MCQ NO.1169 | IMA
Which of the following is not an advantage of photovoltaic cell which is used as a detector in Flame emission photometers?
Which of the following is not an advantage of photovoltaic cell which is used as a detector in Flame emission photometers?
Anonymous Quiz
17%
Portable
28%
No external supply
36%
Robust in construction
19%
Does not show fatigue
MCQ NO.1161 | IMA
If Propane and air are used in burner how many °C temp. is produced ?
If Propane and air are used in burner how many °C temp. is produced ?
Anonymous Quiz
19%
1900°C
42%
2200°C
25%
2300°C
14%
2100°C
MCQ NO.1162 | IMA
Which of the following components of the X-ray fluorescent spectrometer induces fluorescent radiation?
Which of the following components of the X-ray fluorescent spectrometer induces fluorescent radiation?
Anonymous Quiz
25%
Excitation source
20%
Energy analyser
50%
X-ray spectrometer
5%
Detection System
MCQ NO.1163 | IMA
Why is a mono-energetic radiation source required in X-ray fluorescent spectrometer?
Why is a mono-energetic radiation source required in X-ray fluorescent spectrometer?
Anonymous Quiz
32%
To provide good sensitivity
32%
To provide high accuracy
20%
To provide a proper range
16%
To reduce unwanted background