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level: Level 1 of Need to know P1

Questions and Answers List

level questions: Level 1 of Need to know P1

QuestionAnswer
precipitate with NaOH Cu2+ to CuOH2BLUE TO BLUE
precipitate with NaOH FE2+ to FEOH2PALE GREEN TO GREEN
precipitate with NaOH Fe3+ to FeOH3pale yellow to orange/brown
precipitate with NaOH MN2+ to MnOH2 pretty to uglypink to brown
precipitate with NaOH Cr3+ to CrOH3violet to grey/green
ionic bodingmetal and non metal square
covalentnon metals
higher kastronger acid
ph=-logH+
STRONG BASE H+=Kw/ OH
WEAK ACID H+square root Ka x HA
h+ for bufferkax acid over salt
Half equationsbalance H+ , Balance H20 balance e lectrons balance AlKALINE BY OH-