What are soaps?
1 Salts of silicates
2 Esters of heavy fatty acids
3 Sodium or potassium salts of heavier fatty acids
4 Mixture of glycerol and alcohols
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Answer / guest
(3) Sodium or potassium salts of heavier fatty acids
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Answer / shweta
Sodium or potassium salts of heavier fatty acids
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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
Which of the following reagents gives a silver mirror test when added to aldehydes? 1 Fehling’s solution 2 Tollen’s Reagent 3 Ebaeyer’s Reagent 4 Nessler’s Reagent
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide
What is the cytology ?
In which year, atmospheric observations using balloons started?
Define science
0 Answers Mahatma Gandhi University,
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
what are advantages & disadvantages of science?
Study Of Life in outer space is known As
What is difference between nanoscience and nanotechnology?
1 Answers GSK GlaxoSmithKline,
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium