MATERIALES D4

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0 [{"id":567235,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":" Las resinas sint\u00e9ticas son la base de la mayor\u00eda de los \u2026\u2026\u2026\u2026\u2026\u2026.., pero algunos se fabrican con celulosas modificadas, prote\u00ednas, caucho, etc.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567224,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Los metales \u2026\u2026\u2026\u2026\u2026\u2026\u2026... son aqu\u00e9llos cuyo peso espec\u00edfico supera los 5 kg\/dm3 (plomo, hierro, cobre, esta\u00f1o, cromo, manganeso, cobalto, zinc, molibdeno, mercurio, plata, oro, platino, etc.).","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567223,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Los \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.: comprende el hierro y los materiales de \u00e9l derivados: el acero y la fudici\u00f3n.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567229,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"El \u2026\u2026\u2026\u2026\u2026.. es el m\u00e1s importante dentro del grupo de metales ferrosos debido, a su buena resistencia mec\u00e1nica, a su relativo bajo costo entre los metales y a su facilidad de procesado en los procesos de manufactura.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567222,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Usamos el t\u00e9rmino \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. en forma gen\u00e9rica para referirnos a los constituyentes no vivos de la corteza terrestre.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567226,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Los materiales de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.., est\u00e1n presentes en una gran cantidad de productos de la vida cotidiana. Su variedad y heterogeneidad es muy grande. Entre los mismos podemos mencionar: el cuero, la lana, la seda, etc.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567228,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Se pueden clasificar seg\u00fan su estructura en: metales, \u2026\u2026\u2026\u2026\u2026\u2026\u2026... (y vidrios), pol\u00edmeros y semiconductores, a \u00e9stos se les pueden agregar los compuestos. ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567225,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"El segundo grupo de los ........................... incluye boro, silicio, ars\u00e9nico, germanio, selenio, teluro, antimonio, polonio, etc., todos los cuales son s\u00f3lidos.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567233,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Los \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. posiblemente sean los materiales m\u00e1s caracter\u00edsticos del mundo actual.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567221,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Mientras que las \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. de origen vegetal y animal pueden considerarse renovables.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567227,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Entre los artificiales podemos se\u00f1alar a los \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567231,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Las aleaciones de \u2026\u2026\u2026\u2026\u2026\u2026. tienen excelente conductividad tanto t\u00e9rmica como el\u00e9ctrica, lo que se\u00f1ala su uso en electricidad, como en radiadores e intercambiadores de calor. ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567234,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Un nombre alternativo para estos materiales es el de pl\u00e1sticos,","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567230,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Las aleaciones \u2026\u2026\u2026\u2026\u2026\u2026. abarcan un amplio campo en el que podemos nombrar: las aleaciones de aluminio, magnesio y titanio, que tienen un amplio uso como materiales estructurales ligeros.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567232,"quiz_id":"27764","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:13:18","updated_at":"2018-09-17 01:13:18","questionName":"Los utensilios de \u2026\u2026\u2026\u2026\u2026.. cocida se comercializan, aproximadamente, desde 4000 a\u00f1os antes de nuestra era. ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]
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Las resinas sintéticas son la base de la mayoría de los ……………….., pero algunos se fabrican con celulosas modificadas, proteínas, caucho, etc.

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