sa4rindreaavriaangs sa4rindreaavriaangs
  • 03-01-2016
  • Chemistry
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11 Which substance can not be broken down by a chemical change?
(1) ammonia (3) ethane
(2) arsenic (4) propanal

Respuesta :

Megan170398 Megan170398
  • 03-01-2016
(2) Arsenic. It is an element and elements are chemically the simplest units and cannot be broken down by any chemical change.
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