[amp_mcq option1=”Methane gas” option2=”Hydrogen sulphide” option3=”Carbondioxide gas” option4=”Diesel vapours” correct=”option2″]<\/p>\n
The correct answer is: B. Hydrogen sulphide<\/p>\n
Lead acetate test is a simple test that can be used to detect the presence of hydrogen sulfide gas. The test is performed by adding a few drops of lead acetate solution to a sample of the gas. If hydrogen sulfide is present, a black precipitate will form.<\/p>\n
Hydrogen sulfide is a colorless, flammable gas with a rotten egg odor. It is produced by the decomposition of organic matter in the absence of oxygen. Hydrogen sulfide is toxic and can cause a variety of health problems, including respiratory problems, nausea, vomiting, and death.<\/p>\n
Methane gas is a colorless, odorless, and flammable gas. It is produced by the decomposition of organic matter in the presence of oxygen. Methane is not toxic, but it can be explosive in high concentrations.<\/p>\n
Carbon dioxide gas is a colorless, odorless, and non-flammable gas. It is produced by the respiration of animals and the decomposition of organic matter. Carbon dioxide is not toxic, but it can cause asphyxiation in high concentrations.<\/p>\n
Diesel vapours are a mixture of hydrocarbons that are produced when diesel fuel is burned. Diesel vapours are flammable and can cause explosions.<\/p>\n
Therefore, the lead acetate test is done to test the presence of hydrogen sulfide gas.<\/p>\n","protected":false},"excerpt":{"rendered":"
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