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In the beaker , first beaker has magnesium ribbon in it Second beaker Has charcoal powder Third beaker have sulphur powder Fourth beaker has aluminium foil With the help of a dropper , a few drops of dilute hydrochloric acid were gently added to each of the given beaker and warmed gently. Which of the he given samples does not produce pop sound on bringing a burning matchstick near the mouth of each the each beaker?

Answer» In the beaker , first beaker has magnesium ribbon in it Second beaker Has charcoal powder Third beaker have sulphur powder Fourth beaker has aluminium foil With the help of a dropper , a few drops of dilute hydrochloric acid were gently added to each of the given beaker and warmed gently. Which of the he given samples does not produce pop sound on bringing a burning matchstick near the mouth of each the each beaker?


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