Unitat 2. Subst�ncies pures i mescles
Quiz by Jes�s Ariza
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19 questions
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- Q1Quina de les seg�ents subst�ncies �s pura?meltros de papersuc de taronjaaig�a destil�lada30s
- Q2Quina d'aquestes subst�ncies �s pura?Aigua mineralCoureFormatgeAire30s
- Q3Quina d'aquestes subst�ncies no �s pura?OxigenFerroCoureBronze30s
- Q4Quina de les seg�ents subst�ncies no �s pura?SucreFerroAluminiMel30s
- Q5Quin �s el s�mbol qu�mic del coure?CCuCrCo30s
- Q6Quin �s el s�mbol qu�mic del sodi?NaSoSiS30s
- Q7Quin �s el s�mbol qu�mic del potassi?PKPoPot30s
- Q8A quin element correspon el s�mbol Ne?Ne�NiodimiNitr�genNeptuni30s
- Q9Quin �s el s�mbol qu�mic del calci?ClCcCaCal30s
- Q10Com es diu l'element de s�mbol BeBorBismutBeril�liBeinsteni30s
- Q11Quin �s el s�mbol qu�mic del ferro?FrFFoFe30s
- Q12A qu� fa refer�ncia el s�mbol F?FermiFre�FluorFerro30s
- Q13I l'or. Quin �s el s�mbol qu�mic de l'or?OOrAuAg30s
- Q14Quin �s el s�mbol qu�mic de la plata?PPtAgPl30s
- Q15Anem a formular l'estronsi. quin �s el seu s�mbol?EtSrEEs30s