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  • 03-01-2016
  • Chemistry
Answered

11 Which substance can not be broken down by a chemical change?

(1) ammonia (3) ethane

(2) arsenic (4) propanal

Verified Answer :

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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