QUESTÃO 132 QUÍMICA | ENEM PPL ( 2 APLICAÇÃO )

QUESTION 132 CHEMISTRY | ENEM PPL (2 APPLICATION) . (Enem PPL 2018) To recycle aluminum cans, several actions are necessary, including: 1) collect the cans and separate them from other materials other than aluminum by sorting them; 2) place the cans in a machine that separates the lighter cans from the heavier ones using an intense jet of air; 3) remove, by magnetic action, the remaining objects that contain iron. The actions indicated have in common the fact that: a) they require the supply of heat. b) they use light energy. c) they require direct human action. d) they are related to an electric current. e) they occur under the influence of a force. QUESTION 132 CHEMISTRY | ENEM PPL (2 APPLICATION)