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Sudan III is used to detect the presence of lipids.
M8 paper
biuret reagent
Chlorine in presence of sun light reacts with hydrocarbons present in petroleum.
to detect the presence of liquid nerve and blister agents to detect the presence of liquid nerve and blister agents
You can detect the presence of a magnetic field using a compass, which will align itself with the field lines. Other devices such as magnetometers can also detect and measure magnetic fields accurately. Additionally, certain materials, such as iron filings, can visualize magnetic field patterns when sprinkled around the area.
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To detect the presence of CI- ion, add silver nitrate solution. A white opalescence to cloudy precipitate of silver chloride will form and confirm the presence of CI- ion.
To detect the presence of CI- ion, add silver nitrate solution. A white opalescence to cloudy precipitate of silver chloride will form and confirm the presence of CI- ion.
The presence of halide ions
an electroscope
PH test
Sudan III is used to detect the presence of lipids.
When they can smell blood in the water.
Gas chromatography.
a multimeter?