Answer:
Potassium was the first metal to be isolated by electrolysis. It was discovered by the English chemist Sir Humphry Davy by decomposing molten potassium hydroxide (KOH) with a voltaic battery.
Explanation:
Answer:
Chemical equations need to be balanced so that they follow the law of conservation of mass.
I think it’s number 5 and number 9 hopes this helps.
Boiling point
i hope this helps.