MATERIALES C3

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0 [{"id":567208,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los \u2026\u2026\u2026\u2026\u2026\u2026.. artificiales son materiales sint\u00e9ticos, duplicaci\u00f3n de productos naturales, o nuevos compuestos.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567203,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los materiales met\u00e1licos que utiliza el hombre son \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. ferrosas, las que incluyen los aceros, que tienen entre el 0,03 al 2% de su peso de carbono (C), y los hierros fundidos con 2,0 a 4,5% de su peso de C.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567199,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los elementos de este grupo son malos conductores del calor y de la electricidad; no tienen brillo met\u00e1lico, ni la dureza de los metales.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567195,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Se obtienen \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. mediante tratamientos f\u00edsicos o qu\u00edmicos (refinaci\u00f3n, aleaci\u00f3n, s\u00edntesis qu\u00edmica, etc.)","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567205,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"las aleaciones de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. tambi\u00e9n se caracterizan por su alta resistencia. ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567200,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los materiales de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. Su variedad y heterogeneidad es muy grande, y las propiedades y caracter\u00edsticas var\u00edan mucho de unos a otros. Entre los mismos podemos mencionar: la madera, la celulosa, el algod\u00f3n, el c\u00e1\u00f1amo, la goma, etc.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567202,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Se pueden clasificar seg\u00fan su estructura en: \u2026\u2026\u2026\u2026\u2026\u2026\u2026..., cer\u00e1micas (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":567201,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los materiales \u2026\u2026\u2026\u2026\u2026\u2026\u2026. son los producidos por el hombre, partiendo de materiales naturales (por ejemplo: el papel, el bronce, el lat\u00f3n, el vidrio, la cer\u00e1mica, etc.).","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567198,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los metales \u2026\u2026\u2026\u2026\u2026\u2026\u2026.. son aqu\u00e9llos cuyo peso espec\u00edfico es inferior a 5 kg\/dm3 (aluminio, magnesio, titanio, berilio, litio, bario, sodio, potasio, calcio, estroncio, rubidio, cesio, radio, etc.)","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567209,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"\u2026\u2026\u2026\u2026\u2026.. El nombre proviene de una caracter\u00edstica com\u00fan a todos: la plasticidad que presentan durante el proceso de elaboraci\u00f3n del producto","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567197,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Muchos \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. se oxidan (corroen) f\u00e1cilmente; algunos, como el cromo, el oro, el t\u00e1ntalo y el vanadio, son m\u00e1s resistentes a la corrosi\u00f3n.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567204,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los metales \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026... comprenden los otros elementos no met\u00e1licos y sus aleaciones. Las aleaciones son m\u00e1s importantes que los metales puros. ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567207,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los materiales v\u00edtreos pueden derretirse, vaciarse y tambi\u00e9n conformarse mediante procesos como el tradicional \u2026\u2026\u2026\u2026\u2026\u2026. del vidrio.","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567196,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los \u2026\u2026\u2026\u2026\u2026\u2026. generalmente son inorg\u00e1nicos, pero a veces incluyen combustibles f\u00f3siles, por ejemplo carb\u00f3n, petr\u00f3leo, que son de origen vegetal o animal; ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":567206,"quiz_id":"27763","answer_id":null,"answerType_id":"0","created_at":"2018-09-17 01:10:49","updated_at":"2018-09-17 01:10:49","questionName":"Los materiales \u2026\u2026\u2026\u2026\u2026.. abarcan una gran variedad de materiales, tradicionales (el barro y las arcillas en general) y modernos. ","questionTimeSeconds":"30","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]
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