Tentamen (uitwerkingen)
CPO Test QUESTIONS AND ANSWERS 2023
- Vak
- Instelling
to lower pH add: - Answer- muriatic acid carbon dioxide to increase pH add: - Answer- sodium carbonate sodium hydroxide sodium sesquicarbonate the acceptable pH range is: a) 6.8-7.0 b) 7.2-7.8 c) 7.0-7.4 d) none of the above - Answer- b) 7.2-7.8 the ideal pH range is: a) 7.4-7.6 b...
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