Sucralose was discovered by two researchers, Phadnis and his advisor Hough, at Queen Elizabeth College, University of London, in 1976. At that time, they were working on a chemical compound for insecticide. On a late summer day in 1975, Phadnis was told to test the chemical power, but he misunderstood. He thought that he needed to taste it. It was sweet! So what happened next

the correct answer is answer a. a mixture

no other options make sense

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  - sprinkles

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.