Chemicalmisconceptions33 Wordequations Targetlevel Thesematerialsaredesignedforusewith11–14yearoldstudentswhohavebeen taughttousewordequations.Thematerialswillalsobeusefulfor14–16yearolds studentswhoneedtorevisitthistopic. Topic Usingwordequationstorepresentchemicalreactions. Rationale Manystudentsfinditdifficulttowri...
5.Whensulfuricacidisaddedtosolidsodiumchlorideandthemixtureisheated,hydrogenchloridegasis generated,leavingasolidresidueofsodiumsulfate. BalancedEquation ReactionEvidence 6.Whenbrightredmercury(II)oxideisheatedinatesttube,oxygengasisevolved,anddropletsofliquid ...